Fresh Juice
Open in tool →Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that color.
Named color
Underworld
#1e231c
hex
#1e231crgb
rgb(30, 35, 28)hsl
hsl(103, 11%, 12%)oklch
oklch(0.249 0.015 136.7)Relative luminance 0.0156
Underworld on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 25 public brands that use it and the palettes it appears in.
Colors that go with Underworld
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 Underworld without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with Underworld in 18 real palettes, including Wikipedia's brand system and Google's brand system, as the accent.
Blue #0000ff
shipped24 real palettes, including Rolex's brand system and Bumble's brand system put Blue beside Underworld, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with Underworld in 10 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Blush Pink #e8b4b8
shipped6 real palettes, including Graphite Mono and Rain Garden put Blush Pink beside Underworld, as the accent.
Brown #a52a2a
shipped5 real palettes, including Woodsmoke and Typewriter put Brown beside Underworld, as the accent.
Burlywood #deb887
shippedBurlywood is paired with Underworld in 6 real palettes, including Kiln and Chalkboard, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with Underworld: 10 real palettes, including Paper & Pine and SoFi's brand system, as the supporting colour.
Real palettes that use Underworld
Tints & shades
Harmonies
Contrast
| Underworld as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.31:1 | 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 Underworld as the background.
Brands using this color
- Todoisttext · #25221e · Δ1.419
- Coheretext · #212121 · Δ1.489
- Postmantext · #212121 · Δ1.489
- Rolextext · #212121 · Δ1.489
- SoFiprimary · #212121 · Δ1.489
- SoFitext · #212121 · Δ1.489
- Acertext · #222222 · Δ1.527
- Airbnbtext · #222222 · Δ1.527
- AliExpressprimary · #222222 · Δ1.527
- AliExpresstext · #222222 · Δ1.527
- Nikonprimary · #222222 · Δ1.527
- Nikontext · #222222 · Δ1.527
- Bumbleprimary · #202020 · Δ1.568
- Bumbletext · #202020 · Δ1.568
- ClickUptext · #202020 · Δ1.568
- Lamborghiniprimary · #202020 · Δ1.568
- Lamborghinitext · #202020 · Δ1.568
- Wikipediaprimary · #202122 · Δ1.597
- Wikipediatext · #202122 · Δ1.597
- Cursortext · #26251e · Δ1.703
- GitLabtext · #1f1f1f · Δ1.75
- Googletext · #1f1f1f · Δ1.75
- HubSpottext · #1f1f1f · Δ1.75
- Revoluttext · #1f1f1f · Δ1.75
- Retoolprimary · #242424 · Δ1.899
Palettes built around it
Forest Floor
Open in tool →Moss and bark with a mushroom-cap amber — grounded and quiet, made for long-form nature content.
Crayon Box
Open in tool →Red, teal and yellow at crayon saturation — joyful, but on white with black type so it stays readable for grown-ups.
Retro Pop
Open in tool →Fifties-diner red and steel blue with a peach — nostalgic pop that still passes contrast.
Paper & Pine
Open in tool →Deep pine on paper-white with a marmalade accent — a quiet, sustainable-brand palette that isn't beige.
Riverbed
Open in tool →Wet-stone green and pebble grey with a copper accent — an earth palette that leans cool, for outdoor and wellness.
Graphite Mono
Open in tool →Five greys, no hue — the true monochrome; the accent is a lighter grey, so hierarchy comes from weight and size alone.
Fonts for this mood
Underworld reads as muted, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around Underworld
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 #1e231c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/1e231c-a6bea2-704edf-1f2d21-eff1e9?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