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
#d4fe01
#d4fe01
hex
#d4fe01rgb
rgb(212, 254, 1)hsl
hsl(70, 99%, 50%)oklch
oklch(0.934 0.224 121)Closest name: Chartreuse (#c1f80a)Relative luminance 0.8488
Colors that go with #d4fe01
Plum, Violet and Charcoal 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.
Plum #dda0dd
complementaryPlum sits directly opposite #d4fe01 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Violet #ee82ee
split-complementshippedViolet is a split-complement of #d4fe01: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #d4fe01: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
shippedCrimson is paired with #d4fe01 in 3 real palettes, including Lay's's brand system and Wise's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Deep Pink #ff1493
shippedDeep Pink is paired with #d4fe01 in 3 real palettes, including Arcade and JetBrains's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Gold #ffd700
shippedGold is paired with #d4fe01 in 3 real palettes, including Ikea's brand system and Lay's's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Red #ff0000
shippedRed is paired with #d4fe01 in 3 real palettes, including Paddle's brand system and Wise's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
triadicshippedDeep Sky Blue completes a triad with #d4fe01 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #d4fe01
Tints & shades
Harmonies
Contrast
| #d4fe01 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.17:1 | fail | fail | fail | |
Aaon black | 17.98:1 | 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 #d4fe01 as the background.
Brands using this color
Palettes built around it
mcpConnect your agent — build around #d4fe01
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 #d4fe01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/d4fe01-b6bea2-4e7cdf-252d1f-f1efe9?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