Chalkboard
Open in tool →Slate green with chalk cream and a coral — nostalgic without being twee.
Color
#a0baa9
#a0baa9
hex
#a0baa9rgb
rgb(160, 186, 169)hsl
hsl(141, 16%, 68%)oklch
oklch(0.764 0.037 156.8)Closest name: Copper Patina (#9db4a0)Relative luminance 0.4546
Colors that go with #a0baa9
Charcoal, Plum and 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 #a0baa9: softer than #000 and cool enough to feel like part of the same palette.
Plum #dda0dd
complementaryshippedPlum sits directly opposite #a0baa9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped5 real palettes, including Uber's brand system and Lexus's brand system put Blue beside #a0baa9, as the accent.
Champagne #f7e7ce
shipped5 real palettes, including Midnight Luxe and Bramble put Champagne beside #a0baa9, as that palette's text colour.
Copper #b87333
shippedDesigners have shipped Copper with #a0baa9: 6 real palettes, including Clean Beauty and Desert Road, as the accent.
Crimson #dc143c
shippedCrimson is paired with #a0baa9 in 5 real palettes, including Cartier's brand system and Tiffany & Co.'s brand system, as the accent.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #a0baa9 in 4 real palettes, including Olive Grove and Oatmeal, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #a0baa9: 5 real palettes, including Patreon's brand system and Liquid Death's brand system, as the accent.
Real palettes that use #a0baa9
Tints & shades
Harmonies
Contrast
| #a0baa9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.08:1 | fail | fail | fail | |
Aaon black | 10.09:1 | 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 #a0baa9 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
mcpConnect your agent — build around #a0baa9
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 #a0baa9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/a0baa9-a2beaf-c459d4-1f2d2a-eaf1e9?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