Velvet
Open in tool →Burgundy and plum on near-black with a brass accent — theatre, wine, and anything that wants to feel after-dark.
Color
#150b18
#150b18
hex
#150b18rgb
rgb(21, 11, 24)hsl
hsl(286, 37%, 7%)oklch
oklch(0.17 0.03 318.2)Closest name: Noir Fiction (#150811)Relative luminance 0.0046
Colors that go with #150b18
Charcoal, Dark Olive Green and Sea Green 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 #150b18: softer than #000 and cool enough to feel like part of the same palette.
Dark Olive Green #556b2f
split-complementshippedDark Olive Green is a split-complement of #150b18: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #150b18 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sienna #a0522d
triadicshippedSienna completes a triad with #150b18 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Slate Blue #6a5acd
analogousshippedSlate Blue is #150b18's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Teal #008080
split-complementshippedTeal is a split-complement of #150b18: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #150b18 in 18 real palettes, including Lemon Squeezy's brand system and Ahrefs's brand system, as the lead colour.
Blue #0000ff
shipped21 real palettes, including native Cybersecurity's brand system and EA's brand system put Blue beside #150b18, as the accent.
Real palettes that use #150b18
Tints & shades
Harmonies
Contrast
| #150b18 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 19.21:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.09:1 | 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 #150b18 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
Night Market
Open in tool →Orange, magenta and yellow neon on aubergine-black — the street-sign palette for food, nightlife and events.
Gemstone
Open in tool →Emerald, amethyst and ruby on velvet-black — the jewel-tone trio; the surface must be dark or the stones go plastic.
Fonts for this mood
#150b18 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #150b18
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 #150b18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/150b18-bd9fc1-adcb62-2d1f2a-ece9f1?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