Color
#21dec8
#21dec8rgb(33, 222, 200)hsl(173, 74%, 50%)oklch(0.81 0.141 182.1)Colors that go with #21dec8
Charcoal, Deep Sky 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 #21dec8: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #21dec8 in 4 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #21dec8 in 10 real palettes, including Crayon Box and Astro's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Light Coral #f08080
complementaryLight Coral sits directly opposite #21dec8 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #21dec8 in 3 real palettes, including Formula 1's brand system and Riot Games's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Dodger Blue #1e90ff
shippedDodger Blue is paired with #21dec8 in 3 real palettes, including Bluesky Social's brand system and Unity's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Khaki #f0e68c
shippedKhaki is paired with #21dec8 in 3 real palettes, including Lagoon and Pastel Pop, as the accent — a combination designers have actually shipped, not a computed rotation.
Plum #dda0dd
triadicshippedPlum completes a triad with #21dec8 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #21dec8
Tints & shades
Harmonies
Contrast
| #21dec8 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.7:1 | fail | fail | fail | |
Aaon black | 12.35:1 | 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 #21dec8 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 #21dec8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/21dec8-a2bebe-d459a3-1f292d-e9f1ec?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