Color
#21d477
#21d477rgb(33, 212, 119)hsl(149, 73%, 48%)oklch(0.766 0.189 153.4)Colors that go with #21d477
Charcoal, Royal Blue and Taupe 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 text near-black for #21d477: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
shippedRoyal Blue is paired with #21d477 in 4 real palettes, including Brilliant's brand system and Docker's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #21d477 in 6 real palettes, including WhatsApp's brand system and Obsidian's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Violet #ee82ee
complementaryViolet sits directly opposite #21d477 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Light Coral #f08080
split-complementshippedLight Coral is a split-complement of #21d477: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shippedBlue is paired with #21d477 in 3 real palettes, including Unity's brand system and Spotify's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
triadicshippedCornflower Blue completes a triad with #21d477 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Dark Orange #ff8c00
shippedDark Orange is paired with #21d477 in 3 real palettes, including Playground and Learning App, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #21d477
Tints & shades
Harmonies
Contrast
| #21d477 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.95:1 | fail | fail | fail | |
Aaon black | 10.75:1 | 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 #21d477 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 #21d477 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/21d477-a2beb3-d459d4-1f2d2c-e9f1e9?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