Launch Orange
Open in tool →Orange is the rarest SaaS primary, which is exactly why it stands out on a pricing page; cyan keeps it from feeling like a hardware store.
Color
#ef4f0b
#ef4f0b
hex
#ef4f0brgb
rgb(239, 79, 11)hsl
hsl(18, 91%, 49%)oklch
oklch(0.644 0.206 38.1)Closest name: Baptism by Fire (#e6490b)Relative luminance 0.2397
Colors that go with #ef4f0b
Cadet Blue, Charcoal and Dodger 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.
Cadet Blue #5f9ea0
complementaryshippedCadet Blue sits directly opposite #ef4f0b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #ef4f0b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Dodger Blue #1e90ff
split-complementshippedDodger Blue is a split-complement of #ef4f0b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #ef4f0b in 7 real palettes, including Ember and Heatwave, as the accent.
Blue #0000ff
shipped8 real palettes, including Glossier's brand system and Readymag's brand system put Blue beside #ef4f0b, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #ef4f0b: 5 real palettes, including Tide's brand system and NASA's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #ef4f0b: 15 real palettes, including PlanetScale's brand system and Postman's brand system, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #ef4f0b: 8 real palettes, including Ember and 3M's brand system, as the supporting colour.
Real palettes that use #ef4f0b
Tints & shades
Harmonies
Contrast
| #ef4f0b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.62:1 | fail | pass | fail | |
Aaon black | 5.79:1 | 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 #ef4f0b as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#ef4f0b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #ef4f0b
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 #ef4f0b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/ef4f0b-c4ad9c-62cbb8-2d291f-f1e9eb?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