Circuit
Open in tool →Violet plus cyan is the current AI-product signal — pair it with pure black type to keep it from going candy.
Color
#100b05
#100b05
hex
#100b05rgb
rgb(16, 11, 5)hsl
hsl(33, 52%, 4%)oklch
oklch(0.154 0.016 75.5)Closest name: Asphalt (#130a06)Relative luminance 0.0036
Colors that go with #100b05
Charcoal, Amber and Blue 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 that reads cleanly against #100b05 without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #100b05 in 16 real palettes, including Ember and Ahrefs's brand system, as the accent.
Blue #0000ff
shipped18 real palettes, including Robinhood's brand system and Pfizer's brand system put Blue beside #100b05, as the supporting colour.
Blue Violet #8a2be2
shippedBlue Violet is paired with #100b05 in 10 real palettes, including Render's brand system and Circuit, as the lead colour.
Brown #a52a2a
shipped4 real palettes, including Velvet and State Farm's brand system put Brown beside #100b05, as the lead colour.
Burgundy #800020
shipped4 real palettes, including Mailchimp's brand system and Rare Beauty's brand system put Burgundy beside #100b05, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #100b05: 7 real palettes, including Estate and Diner, as the supporting colour.
Champagne #f7e7ce
shipped9 real palettes, including Midnight Luxe and Sweetgreen's brand system put Champagne beside #100b05, as the text colour against it.
Real palettes that use #100b05
Tints & shades
Harmonies
Contrast
| #100b05 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 19.59:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.07:1 | 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 #100b05 as the background.
Brands using this color
Palettes built around it
Streetwear
Open in tool →Black, white, red, yellow — drop-culture signal colors, unmissable at thumbnail size.
Noir Beauty
Open in tool →Black, gold and one deep red — the prestige cosmetics counter: all restraint and a single lipstick.
Fonts for this mood
#100b05 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #100b05
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 #100b05 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/100b05-c4b79c-62c4cb-2d2d1f-f1eae9?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