Chalkboard
Open in tool →Slate green with chalk cream and a coral — nostalgic without being twee.
Color
#a3b2aa
#a3b2aa
hex
#a3b2aargb
rgb(163, 178, 170)hsl
hsl(148, 9%, 67%)oklch
oklch(0.75 0.02 162.7)Closest name: Alpine Air (#a9b4a9)Relative luminance 0.4253
Colors that go with #a3b2aa
Charcoal, Blue and Blush Pink 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 that reads cleanly against #a3b2aa without the hard edge of pure #000.
Blue #0000ff
shipped4 real palettes, including Lexus's brand system and Uber's brand system put Blue beside #a3b2aa, as the supporting colour.
Blush Pink #e8b4b8
shipped4 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #a3b2aa, as the supporting colour.
Champagne #f7e7ce
shipped5 real palettes, including Midnight Luxe and Bramble put Champagne beside #a3b2aa, as that palette's text colour.
Copper #b87333
shippedDesigners have shipped Copper with #a3b2aa: 6 real palettes, including Clean Beauty and Riverbed, as the accent.
Crimson #dc143c
shippedCrimson is paired with #a3b2aa in 4 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 #a3b2aa in 4 real palettes, including Oatmeal and Olive Grove, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #a3b2aa: 4 real palettes, including Open House and Dusk, as the lead colour.
Real palettes that use #a3b2aa
Tints & shades
Harmonies
Contrast
| #a3b2aa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.21:1 | fail | fail | fail | |
Aaon black | 9.51:1 | 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 #a3b2aa 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
Fonts for this mood
#a3b2aa reads as muted, minimal. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #a3b2aa
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 #a3b2aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/a3b2aa-a2beb2-d259d4-1f2d2c-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