Mint Chip
Open in tool →Mint and celadon with a peach accent — fresh without being clinical; the deep green text keeps it grounded.
Color
#183e31
#183e31
hex
#183e31rgb
rgb(24, 62, 49)hsl
hsl(159, 44%, 17%)oklch
oklch(0.332 0.05 168.2)Closest name: Botanical Night (#12403c)Relative luminance 0.0386
Colors that go with #183e31
Firebrick, Sea Green and Sienna 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.
Firebrick #b22222
split-complementshippedFirebrick is a split-complement of #183e31: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green #2e8b57
analogousshippedSea Green is #183e31's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna #a0522d
triadicshippedSienna completes a triad with #183e31 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal #008080
analogousshippedTeal is #183e31's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber #ffbf00
shippedAmber is paired with #183e31 in 6 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour.
Blue #0000ff
shipped12 real palettes, including Instacart's brand system and Jeep's brand system put Blue beside #183e31, as the accent.
Blush Pink #e8b4b8
shipped5 real palettes, including Rain Garden and Garden Wedding put Blush Pink beside #183e31, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #183e31: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #183e31
Tints & shades
Harmonies
Contrast
| #183e31 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.85:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.77:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #183e31 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#183e31 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #183e31
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 #183e31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/183e31-a2beb8-d459c0-1f2c2d-e9f1eb?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