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
#fd450d
#fd450d
hex
#fd450drgb
rgb(253, 69, 13)hsl
hsl(14, 98%, 52%)oklch
oklch(0.657 0.227 34.8)Closest name: orangered (#ff4500)Relative luminance 0.2517
Colors that go with #fd450d
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 #fd450d: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Cadet Blue #5f9ea0
complementaryshippedCadet Blue sits directly opposite #fd450d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Gold #ffd700
shippedGold is paired with #fd450d in 6 real palettes, including Streetwear and Night Market, as the accent — a combination designers have actually shipped, not a computed rotation.
Mustard Yellow #ffdb58
shippedMustard Yellow is paired with #fd450d in 4 real palettes, including Crayon Box and Fresh Juice, as the accent — a combination designers have actually shipped, not a computed rotation.
Slate Gray #708090
shippedSlate Gray is paired with #fd450d in 4 real palettes, including Clinic and Newsprint, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #fd450d in 14 real palettes, including Readymag's brand system and Cursor's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #fd450d
Tints & shades
Harmonies
Contrast
| #fd450d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.48:1 | fail | pass | fail | |
Aaon black | 6.03:1 | 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 #fd450d as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#fd450d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #fd450d
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 #fd450d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/fd450d-c4aa9c-62cbb1-2d291f-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