Electric Lime
Open in tool →One neon on white with black type — lime-and-black is the neon that works in daylight; the orange is a second gear.
Color
#f8401b
#f8401b
hex
#f8401brgb
rgb(248, 64, 27)hsl
hsl(10, 94%, 54%)oklch
oklch(0.645 0.225 32.8)Closest name: orangered (#ff4500)Relative luminance 0.237
Colors that go with #f8401b
Charcoal, Cadet Blue and Amber 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 body-text near-black for #f8401b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Cadet Blue #5f9ea0
complementaryshippedCadet Blue sits directly opposite #f8401b 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 #f8401b in 7 real palettes, including Heatwave and Google's brand system, as the supporting colour.
Blue #0000ff
shipped8 real palettes, including Glossier's brand system and Doordash's brand system put Blue beside #f8401b, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #f8401b: 5 real palettes, including NASA's brand system and Tide's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #f8401b: 14 real palettes, including Strava's brand system and PlanetScale's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #f8401b: 7 real palettes, including Databricks's brand system and Figma's brand system, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #f8401b: 8 real palettes, including 3M's brand system and Ember, as the supporting colour.
Real palettes that use #f8401b
Tints & shades
Harmonies
Contrast
| #f8401b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.66:1 | fail | pass | fail | |
Aaon black | 5.74:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f8401b as the background.
Brands using this color
- NASAsecondary · #fc3d21 · Δ0.887
- Glossiersecondary · #f94200 · Δ0.976
- Redditsecondary · #fc4301 · Δ1.301
- Brexsecondary · #ff3d00 · Δ1.422
- Databricksprimary · #fc341c · Δ1.431
- Rotten Tomatoesaccent · #fa320a · Δ1.463
- Neonaccent · #ff3621 · Δ1.656
- Doordashprimary · #ff3008 · Δ1.802
- NASAaccent · #f64137 · Δ1.888
- Redditprimary · #ff4500 · Δ1.907
Palettes built around it
Fonts for this mood
#f8401b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #f8401b
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 #f8401b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/f8401b-c4a79c-62cbaa-2d281f-f1e9ec?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