Mustard Yellow hex code
Mustard Yellow
#ffdb58rgb(255, 219, 88)hsl(47, 100%, 67%)oklch(0.898 0.151 93.7)Mustard Yellow is a light, moderately saturated yellow-orange — #ffdb58, rgb(255, 219, 88), hue 47° at 100% saturation. The colours that go with mustard yellow are Charcoal, Cornflower Blue and Deep Sky Blue — each with the reason below, and the real palettes that pair them. It fails AA as text on white (1.35:1) but passes on black at 15.53:1 — a dark-mode colour, or a fill with dark type on it. 3 public brands use it in a role token.
Colors that go with Mustard Yellow
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 Mustard Yellow: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Cornflower Blue #6495ed
complementaryshippedCornflower Blue sits directly opposite Mustard Yellow 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 Mustard Yellow: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson #dc143c
shippedCrimson is paired with Mustard Yellow in 7 real palettes, including Lay's's brand system and Diner, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with Mustard Yellow: 7 real palettes, including FIFA's brand system and LEGO's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with Mustard Yellow: 5 real palettes, including Star Wars's brand system and Miro's brand system, as the supporting colour.
Orange Red #ff4500
shippedOrange Red is paired with Mustard Yellow in 4 real palettes, including Streetwear and Google's brand system, as the lead colour.
Red #ff0000
shippedRed is paired with Mustard Yellow in 4 real palettes, including Paddle's brand system and Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom's brand system, as the supporting colour.
Real palettes that use Mustard Yellow
Tints & shades
Harmonies
Contrast
| Mustard Yellow as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.35:1 | fail | fail | fail | |
Aaon black | 15.53:1 | 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 Mustard Yellow as the background.
Brands using this color
Fonts for this mood
Mustard Yellow reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
Point 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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #ffdb58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/ffdb58-c4c09c-62abcb-2a2d1f-f1ece9?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