Arcade
Open in tool →Hot pink, cyan and acid yellow on near-black — cabinet-glow neon; the black surface is what makes the colours light up.
Color
#37eef1
#37eef1
hex
#37eef1rgb
rgb(55, 238, 241)hsl
hsl(181, 87%, 58%)oklch
oklch(0.865 0.138 196.6)Closest name: Aqua (#0ff0fe)Relative luminance 0.6831
Colors that go with #37eef1
Charcoal, Deep Sky Blue and Crimson 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 #37eef1: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
analogousshippedDeep Sky Blue is #37eef1's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Crimson #dc143c
shippedCrimson is paired with #37eef1 in 4 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #37eef1 in 8 real palettes, including Astro's brand system and Boeing's brand system, as the text colour against it.
Light Coral #f08080
complementaryLight Coral sits directly opposite #37eef1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Light Pink #ffb6c1
shippedLight Pink shows up next to #37eef1 in 3 real palettes, including Macaron and Pastel Pop, as the lead colour.
Steel Blue #4682b4
shippedDesigners have shipped Steel Blue with #37eef1: 3 real palettes, including Glacier and Astro's brand system, as the lead colour.
Wheat #f5deb3
shippedDesigners have shipped Wheat with #37eef1: 3 real palettes, including Mint Chip and Sorbet, as the accent.
Real palettes that use #37eef1
Tints & shades
Harmonies
Contrast
| #37eef1 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.43:1 | fail | fail | fail | |
Aaon black | 14.66:1 | 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 #37eef1 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
Fonts for this mood
#37eef1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #37eef1
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 #37eef1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/37eef1-a2babe-d45992-1f272d-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