Crayon Box
Open in tool →Red, teal and yellow at crayon saturation — joyful, but on white with black type so it stays readable for grown-ups.
Color
#37d2cd
#37d2cd
hex
#37d2cdrgb
rgb(55, 210, 205)hsl
hsl(178, 63%, 52%)oklch
oklch(0.786 0.124 191.6)Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5131
Colors that go with #37d2cd
Charcoal, Slate Gray 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.
Slate Gray #708090
shippedSlate Gray is paired with #37d2cd in 4 real palettes, including Ledger Dark and Still Water, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #37d2cd in 10 real palettes, including Crayon Box and Mint Chip, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Light Coral #f08080
complementaryLight Coral sits directly opposite #37d2cd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Burlywood #deb887
shippedBurlywood is paired with #37d2cd in 3 real palettes, including Coastal and Polaroid, as the accent — a combination designers have actually shipped, not a computed rotation.
Khaki #f0e68c
shippedKhaki is paired with #37d2cd in 3 real palettes, including Lagoon and Pastel Pop, as the accent — a combination designers have actually shipped, not a computed rotation.
Wheat #f5deb3
shippedWheat is paired with #37d2cd in 3 real palettes, including Mint Chip and Still Water, as the accent — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
triadicshippedGoldenrod completes a triad with #37d2cd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #37d2cd
Tints & shades
Harmonies
Contrast
| #37d2cd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.86:1 | fail | fail | fail | |
Aaon black | 11.26:1 | 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 #37d2cd as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
mcpConnect your agent — build around #37d2cd
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #37d2cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/37d2cd-a2bcbe-d45999-1f282d-e9f1ed?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