--- title: "Core Duo Icons Set - 5837 customizable PNGs, SVGs, PDFs" product: "Streamline Icons, Illustrations and Elements" asset_count: 5837 url: /icons/core-duo-color canonical_url: "https://www.streamlinehq.com/icons/core-duo-color" summary: "Core Duo uses rounded, unfilled outlines and a three-color system to separate parts within each compact symbol." --- # Core Duo Core Duo uses rounded, unfilled outlines and a three-color system to separate parts within each compact symbol. 5837 icons License: Commercial ## Fit & Recommendation ### Primary use cases - Distinguish parts of an object in a feature explanation. - Add an accent to diagrams in documentation or presentations. - Use icons beside dashboard or navigation labels when color is part of the layout. #### Practical guidance - Check each color against the background and adjacent colors. - Inspect the smaller details at the intended size. - Keep color roles consistent across icons. - Add a label when color represents a category or status. ## Visual & Technical Specs ### Visual properties - The lines have a consistent weight and no fill. - Corners are rounded, and the shapes are simplified. - The set uses three colors. One can be neutral, and the other two can be accent or brand colors. #### Technical specifications - Grid: 14x14px. - Stroke: 1px. ### Emotional Scores These scores describe visual character. They are editorial judgments, not measured audience reactions. Each scale runs from 0.00 at the first word to 1.00 at the second, with 0.50 in the middle. For example, a lower Warm to Cold score means a warmer appearance. Core Duo - Warm to Cold: Slightly cold (0.55). - Soft to Hard: Soft (0.30). - Friendly to Formal: Slightly friendly (0.45). - Playful to Serious: Slightly serious (0.55). - Human to Mechanical: Slightly human (0.45). ## Pairing & Compatibility ### Typography pairing - Primary: Choose simple sans serif letters that leave attention on the color accents. For example, try Inter. - Alternative: Try more structured letterforms for a firmer appearance. IBM Plex Sans is one option. - Body: Keep supporting text close in weight to the light outlines. For example, try Source Sans Pro. - Caution: Decorative serifs or very rounded display letters add another style beside the color contrast. Check whether both are needed. ## Categories - [Interface Essential](/icons/core-duo-color/interface-essential) - [Business](/icons/core-duo-color/business) - [Images Photography](/icons/core-duo-color/images-photography) - [Money Shopping](/icons/core-duo-color/money-shopping) - [Programming](/icons/core-duo-color/programming) - [Computer Devices](/icons/core-duo-color/computer-devices) - [Phone](/icons/core-duo-color/phone) - [Mail](/icons/core-duo-color/mail) - [Map Travel](/icons/core-duo-color/map-travel) - [Food Drink](/icons/core-duo-color/food-drink) - [Nature Ecology](/icons/core-duo-color/nature-ecology) - [Entertainment](/icons/core-duo-color/entertainment) - [Shipping](/icons/core-duo-color/shipping) - [Culture](/icons/core-duo-color/culture) - [Health](/icons/core-duo-color/health) - [Work Education](/icons/core-duo-color/religion) - [Artificial Intelligence](/icons/core-duo-color/artificial-intelligence) - [Arrows](/icons/core-duo-color/arrows) ## Example icons - [3d Perspective Grid](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/3d-perspective-grid-4qxol6rmc183r5bisuxnul.png/3d-perspective-grid-z1pyn8irhxfy1vtbmgch1k.png?_a=DATAiZkSZAA0) - [Apply To All](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/apply-to-all-xhd8qmfdmramrnmcwtkpfg.png/apply-to-all-epwlepgijdhfw5r1g1p6n.png?_a=DATAiZkSZAA0) - [Attach File Add](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/attach-file-add-ugd9lplre9gd83gr6065v.png/attach-file-add-muu56xzewlpdm8pupdfs8.png?_a=DATAiZkSZAA0) - [Attach File Off](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/attach-file-off-uxnphvv74vmyhsn98gvcjl.png/attach-file-off-e2axqj62qkh211dhi9myxp.png?_a=DATAiZkSZAA0) - [Auto Fit Column Width](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/auto-fit-column-width-pz0bn2a30jb6q78olq2wm.png/auto-fit-column-width-240f3oml1qlpgm4fljm6bs.png?_a=DATAiZkSZAA0) - [Auto Fit Row Height](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/auto-fit-row-height-sraoxq7m86a0ikso7vfol.png/auto-fit-row-height-n0mdg8cyaa9apn88nkra25.png?_a=DATAiZkSZAA0) - [Auto Save Backup](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/auto-save-backup-fnfzummoa1ktp9wwl518n.png/auto-save-backup-p842gyfqu5cvl5yzezk7mm.png?_a=DATAiZkSZAA0) - [Binder Clip](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/binder-clip-3mdxts6pk8p051owwp00d6e.png/binder-clip-lz53qlbau7ahgsg3gb5fyg.png?_a=DATAiZkSZAA0) - [Binoculars](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/binoculars-ydenv5vqk6s18501zrp8az.png/binoculars-im5a9lrkyc96tqtykcrb78.png?_a=DATAiZkSZAA0) - [Bomb](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/bomb-xbx15d1clqa2zo5nqqq94h.png/bomb-vlisyut2559xz8lvurdyc.png?_a=DATAiZkSZAA0) - [Brush Pen Tip Diagonal](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/brush-pen-tip-diagonal-48600.png?_a=DATAiZkSZAA0) - [Brush Pen Tip Vertical](https://assets.streamlinehq.com/image/private/w_34,h_34,ar_1/f_auto/v1/icons/edit/brush-pen-tip-vertical-7024c.png?_a=DATAiZkSZAA0) --- [View full sitemap](/sitemap.md)