Mint Chip
Open in tool →Mint and celadon with a peach accent — fresh without being clinical; the deep green text keeps it grounded.
Color
#183e39
#183e39
hex
#183e39rgb
rgb(24, 62, 57)hsl
hsl(172, 44%, 17%)oklch
oklch(0.335 0.044 183.9)Closest name: Botanical Night (#12403c)Relative luminance 0.0393
Colors that go with #183e39
Sea Green, Sienna and Teal 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.
Sea Green #2e8b57
analogousshippedSea Green is #183e39'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 #183e39 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal #008080
analogousshippedTeal is #183e39'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 #183e39 in 5 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour.
Blue #0000ff
shipped12 real palettes, including Jeep's brand system and Instacart's brand system put Blue beside #183e39, as the accent.
Blush Pink #e8b4b8
shipped5 real palettes, including Rain Garden and Garden Wedding put Blush Pink beside #183e39, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #183e39 in 4 real palettes, including Polaroid and Chalkboard, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #183e39: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #183e39
Tints & shades
Harmonies
Contrast
| #183e39 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.75:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.79:1 | 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 #183e39 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#183e39 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #183e39
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 #183e39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/183e39-a2bebe-d459a5-1f292d-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