Chalkboard
Open in tool →Slate green with chalk cream and a coral — nostalgic without being twee.
Color
#182f26
#182f26
hex
#182f26rgb
rgb(24, 47, 38)hsl
hsl(157, 32%, 14%)oklch
oklch(0.283 0.034 167)Closest name: Pitch-Black Forests (#003322)Relative luminance 0.0237
Colors that go with #182f26
Charcoal, 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #182f26: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
analogousshippedSea Green is #182f26's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna #a0522d
split-complementshippedSienna is a split-complement of #182f26: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Slate Blue #6a5acd
triadicshippedSlate Blue completes a triad with #182f26 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal #008080
analogousshippedTeal is #182f26's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Medium Violet Red #c71585
complementaryshippedMedium Violet Red sits directly opposite #182f26 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #182f26 in 18 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour.
Blue #0000ff
shipped22 real palettes, including Readymag's brand system and Headspace's brand system put Blue beside #182f26, as the supporting colour.
Real palettes that use #182f26
Tints & shades
Harmonies
Contrast
| #182f26 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.25:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.47:1 | 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 #182f26 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
Meadow
Open in tool →Fresh green, buttercup and a wildflower pink — spring at full saturation; the leaf-dark text does the anchoring.
Undergrowth
Open in tool →Fern and lichen with a fungus orange on a fir-black — the forest floor at dusk, as a dark theme.
Fonts for this mood
#182f26 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #182f26
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 #182f26 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/182f26-a2beb7-d459c4-1f2c2d-e9f1ea?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