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
#ffc533
#ffc533
hex
#ffc533rgb
rgb(255, 197, 51)hsl
hsl(43, 100%, 60%)oklch
oklch(0.853 0.162 85)Closest name: Amber (#ffbf00)Relative luminance 0.6143
Colors that go with #ffc533
Charcoal, Cornflower Blue and Deep Sky 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 #ffc533: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Cornflower Blue #6495ed
complementaryshippedCornflower Blue sits directly opposite #ffc533 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Deep Sky Blue #00bfff
split-complementshippedDeep Sky Blue is a split-complement of #ffc533: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson #dc143c
shippedCrimson is paired with #ffc533 in 8 real palettes, including McDonald's's brand system and Wells Fargo's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #ffc533: 11 real palettes, including McDonald's's brand system and Walmart's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #ffc533: 5 real palettes, including Google's brand system and Heatwave, as the lead colour.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #ffc533 in 4 real palettes, including Olympics's brand system and Mint Modern, as the accent.
Midnight Blue #191970
shipped4 real palettes, including Southwest Airlines's brand system and FIFA's brand system put Midnight Blue beside #ffc533, as the supporting colour.
Real palettes that use #ffc533
Tints & shades
Harmonies
Contrast
| #ffc533 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.58:1 | fail | fail | fail | |
Aaon black | 13.29:1 | 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 #ffc533 as the background.
Brands using this color
- Lemon Squeezyprimary · #fcc434 · Δ0.55
- McDonald'sprimary · #ffc72c · Δ0.664
- Walmartaccent · #fcc422 · Δ0.91
- Southwest Airlinesaccent · #ffbf27 · Δ1.399
- Warner Bros.accent · #fec200 · Δ1.4
- Salesforceaccent · #fcc003 · Δ1.706
- Wells Fargosecondary · #ffcd41 · Δ1.881
- NBAprimary · #fbcd44 · Δ1.887
- Gumroadaccent · #ffc900 · Δ1.903
- Ahrefssecondary · #fac000 · Δ1.915
Palettes built around it
Fonts for this mood
#ffc533 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #ffc533
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 #ffc533 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/ffc533-c4bd9c-62b2cb-2b2d1f-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