Color
#31b5bf
#31b5bfrgb(49, 181, 191)hsl(184, 59%, 47%)oklch(0.709 0.11 202.6)Colors that go with #31b5bf
Charcoal, Denim and Dodger 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 text near-black for #31b5bf: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDesigners have shipped Denim with #31b5bf: 7 real palettes, including Coca-Cola's brand system and Open House, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #31b5bf: 5 real palettes, including Patreon's brand system and Figma's brand system, as the accent.
Midnight Blue #191970
shipped9 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #31b5bf, as the lead colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Lido and Crayon Box put Mustard Yellow beside #31b5bf, as the accent.
Orange #ffa500
shipped4 real palettes, including Mint Modern and Mistral AI's brand system put Orange beside #31b5bf, as the accent.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #31b5bf: 4 real palettes, including First Snow and Crypto.com's brand system, as the accent.
Light Coral #f08080
complementaryLight Coral sits directly opposite #31b5bf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #31b5bf
Tints & shades
Harmonies
Contrast
| #31b5bf as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.47:1 | fail | fail | fail | |
Aaon black | 8.49:1 | 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 #31b5bf as the background.
Brands using this color
Fonts for this mood
#31b5bf reads as cool, modern. The font library is tagged with the same vocabulary:
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 #31b5bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/31b5bf-a2b9be-df4e8a-1f262d-e9f1ee?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