Blueprint
Open in tool →Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'.
Color
#ffc038
#ffc038
hex
#ffc038rgb
rgb(255, 192, 56)hsl
hsl(41, 100%, 61%)oklch
oklch(0.844 0.158 81.8)Closest name: Amber (#ffbf00)Relative luminance 0.5924
Colors that go with #ffc038
Charcoal, Deep Sky Blue and Cornflower 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 body-text near-black for #ffc038: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Deep Sky Blue #00bfff
complementaryshippedDeep Sky Blue sits directly opposite #ffc038 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #ffc038: 6 real palettes, including Blueprint and Mastodon hosted on mastodon.social's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #ffc038 in 7 real palettes, including McDonald's's brand system and Wells Fargo's brand system, as the supporting colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #ffc038 in 4 real palettes, including Farmers Market and Miro's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #ffc038: 11 real palettes, including Walmart's brand system and Warner Bros.'s brand system, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #ffc038: 6 real palettes, including Google's brand system and Heatwave, as the lead colour.
Emerald Green #50c878
shippedEmerald Green is paired with #ffc038 in 4 real palettes, including Meadow and Ubereats's brand system, as the lead colour.
Real palettes that use #ffc038
Tints & shades
Harmonies
Contrast
| #ffc038 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.63:1 | fail | fail | fail | |
Aaon black | 12.85:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ffc038 as the background.
Brands using this color
- Southwest Airlinesaccent · #ffbf27 · Δ0.755
- Lemon Squeezyprimary · #fcc434 · Δ1.152
- Walmartaccent · #fcc422 · Δ1.684
- Salesforceaccent · #fcc003 · Δ1.791
- Googleaccent · #fbbc05 · Δ1.883
- Warner Bros.accent · #fec200 · Δ1.9
- McDonald'sprimary · #ffc72c · Δ1.981
- Mastodon hosted on mastodon.socialaccent · #ffb900 · Δ1.99
- Ahrefssecondary · #fac000 · Δ1.998
Palettes built around it
Fonts for this mood
#ffc038 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #ffc038
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 #ffc038 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/ffc038-c4bc9c-62b6cb-2c2d1f-f1ebe9?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