Color
#28af91
#28af91rgb(40, 175, 145)hsl(167, 63%, 42%)oklch(0.677 0.12 173.5)Colors that go with #28af91
Charcoal, Midnight Blue and Mustard Yellow 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 #28af91: softer than #000 and cool enough to feel like part of the same palette.
Midnight Blue #191970
shippedMidnight Blue is paired with #28af91 in 5 real palettes, including Fintech Trust and Tide Pool, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Mustard Yellow #ffdb58
shippedMustard Yellow is paired with #28af91 in 5 real palettes, including Diner and Lido, as the accent — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #28af91 in 6 real palettes, including Khan Academy's brand system and Brilliant's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #28af91 in 14 real palettes, including Resort and Undergrowth, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Tomato #ff6347
split-complementshippedTomato is a split-complement of #28af91: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Deep Pink #ff1493
complementaryDeep Pink sits directly opposite #28af91 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blush Pink #e8b4b8
shippedBlush Pink is paired with #28af91 in 3 real palettes, including Garden Wedding and Rain Garden, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #28af91
Tints & shades
Harmonies
Contrast
| #28af91 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.75:1 | fail | fail | fail | |
Aaon black | 7.63:1 | 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 #28af91 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 #28af91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/28af91-a2bebb-d459af-1f2a2d-e9f1ec?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