Color
#31aaa4
#31aaa4rgb(49, 170, 164)hsl(177, 55%, 43%)oklch(0.672 0.104 190.1)Colors that go with #31aaa4
Charcoal, Denim and Midnight 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 #31aaa4: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDesigners have shipped Denim with #31aaa4: 5 real palettes, including Peacock and Open House, as the supporting colour.
Midnight Blue #191970
shipped7 real palettes, including Ford's brand system and Tide Pool put Midnight Blue beside #31aaa4, as the lead colour.
Orange #ffa500
shipped4 real palettes, including Mint Modern and Gopro's brand system put Orange beside #31aaa4, as the accent.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #31aaa4: 4 real palettes, including First Snow and Ink Wash, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #31aaa4 in 4 real palettes, including Confluent's brand system and Khan Academy's brand system, as the supporting colour.
Steel Blue #4682b4
shippedDesigners have shipped Steel Blue with #31aaa4: 4 real palettes, including Fintech Trust and Deep Water, as the supporting colour.
Tomato #ff6347
split-complementshippedTomato is a split-complement of #31aaa4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #31aaa4
Tints & shades
Harmonies
Contrast
| #31aaa4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.83:1 | fail | fail | fail | |
Aaon black | 7.42:1 | 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 #31aaa4 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 #31aaa4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/31aaa4-a2bcbe-d4599b-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