Color
#c3d581
#c3d581rgb(195, 213, 129)hsl(73, 50%, 67%)oklch(0.84 0.11 118.7)Colors that go with #c3d581
Charcoal, Sky Blue and Lilac lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Sky Blue #87ceeb
triadicshippedSky Blue completes a triad with #c3d581 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Lilac #c8a2c8
complementaryshippedLilac sits directly opposite #c3d581 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #c3d581: 5 real palettes, including Coastal and Diner, as the lead colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #c3d581: 4 real palettes, including NBA's brand system and Blueprint, as the accent.
Crimson #dc143c
shippedCrimson is paired with #c3d581 in 7 real palettes, including Diner and Wise's brand system, as the lead colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #c3d581 in 4 real palettes, including Miro's brand system and Oatmeal, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #c3d581: 6 real palettes, including Wikipedia's brand system and FIFA's brand system, as the supporting colour.
Real palettes that use #c3d581
Tints & shades
Harmonies
Contrast
| #c3d581 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.6:1 | fail | fail | fail | |
Aaon black | 13.16:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c3d581 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #c3d581 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/c3d581-b5bea2-4e75df-242d1f-f1efe9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md