Color
#c3e359
#c3e359rgb(195, 227, 89)hsl(74, 71%, 62%)oklch(0.866 0.167 121)Colors that go with #c3e359
Charcoal, Plum and Blue 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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #c3e359: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Plum #dda0dd
complementaryshippedPlum sits directly opposite #c3e359 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Binance's brand system and Robinhood's brand system put Blue beside #c3e359, as the accent.
Crimson #dc143c
shippedCrimson is paired with #c3e359 in 8 real palettes, including Wise's brand system and Diner, as the accent.
Deep Sky Blue #00bfff
triadicshippedDeep Sky Blue completes a triad with #c3e359 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Denim #1560bd
shippedDesigners have shipped Denim with #c3e359: 7 real palettes, including Ikea's brand system and FIFA's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #c3e359: 4 real palettes, including Star Wars's brand system and Miro's brand system, as the supporting colour.
Red #ff0000
shippedRed is paired with #c3e359 in 6 real palettes, including Wise's brand system and Paddle's brand system, as the lead colour.
Real palettes that use #c3e359
Tints & shades
Harmonies
Contrast
| #c3e359 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.45:1 | fail | fail | fail | |
Aaon black | 14.45:1 | 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 #c3e359 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 #c3e359 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/c3e359-b4bea2-4e72df-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