Color
#15b2aa
#15b2aargb(21, 178, 170)hsl(177, 79%, 39%)oklch(0.69 0.117 189)Colors that go with #15b2aa
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 #15b2aa: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDesigners have shipped Denim with #15b2aa: 5 real palettes, including Peacock and Open House, as the supporting colour.
Midnight Blue #191970
shipped7 real palettes, including Ford's brand system and Confluent's brand system put Midnight Blue beside #15b2aa, as the lead colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Diner and Lido put Mustard Yellow beside #15b2aa, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #15b2aa in 5 real palettes, including Khan Academy's brand system and Confluent's brand system, as the accent.
Steel Blue #4682b4
shippedDesigners have shipped Steel Blue with #15b2aa: 4 real palettes, including Deep Water and Fintech Trust, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #15b2aa in 13 real palettes, including Resort and Crayon Box, as the text colour against it.
Tomato #ff6347
split-complementshippedTomato is a split-complement of #15b2aa: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #15b2aa
Tints & shades
Harmonies
Contrast
| #15b2aa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.63:1 | fail | fail | fail | |
Aaon black | 7.98:1 | 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 #15b2aa 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 #15b2aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/15b2aa-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