Chalkboard
Open in tool →Slate green with chalk cream and a coral — nostalgic without being twee.
Color
#102d27
#102d27
hex
#102d27rgb
rgb(16, 45, 39)hsl
hsl(168, 48%, 12%)oklch
oklch(0.273 0.037 177.9)Closest name: Black Box (#0f282f)Relative luminance 0.0213
Colors that go with #102d27
Blue Violet, Charcoal and Rust 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.
Blue Violet #8a2be2
triadicshippedBlue Violet completes a triad with #102d27 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #102d27: softer than #000 and cool enough to feel like part of the same palette.
Rust #b7410e
split-complementshippedRust is a split-complement of #102d27: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green #2e8b57
analogousshippedSea Green is #102d27'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 #102d27 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal #008080
analogousshippedTeal is #102d27'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 #102d27 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 #102d27 in 18 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour.
Real palettes that use #102d27
Tints & shades
Harmonies
Contrast
| #102d27 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.72:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.43:1 | 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 #102d27 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
#102d27 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #102d27
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 #102d27 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/102d27-a2bebc-d459ad-1f2a2d-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