BrickColor 340
Official RGB 0, 255, 255. HEX, HSL, and OKLCH below are calculated conversions.
#00FFFF
Accessibility
Vs white / black
1.25:1 · 16.75:1
Sources
Codes
HEX
#00ffff
RGB
rgb(0, 255, 255)
RGBA
rgba(0, 255, 255, 1)
HSL
hsl(180, 100%, 50%)
HSLA
hsla(180, 100%, 50%, 1)
HSV
hsv(180, 100%, 100%)
LAB
lab(91.11% -48.09 -14.13)
LCH
lch(91.11% 50.12 196.37)
OKLAB
oklab(0.9054 -0.1494 -0.0394)
OKLCH
oklch(0.9054 0.1545 194.77)
XYZ
xyz(53.80, 78.73, 106.95)
CMYK
cmyk(100%, 0%, 0%, 0%)
CSS
color: #00ffff;
CSS variable
--color-00ffff: #00ffff;
SCSS
$color-00ffff: #00ffff;
JavaScript
const color = "#00ffff";
TypeScript
const color: string = "#00ffff";
React
style={{ backgroundColor: "#00ffff" }}
JSON
{ "hex": "#00ffff", "rgb": { "r": 0, "g": 255, "b": 255 }, "oklch": "oklch(0.9054 0.1545 194.77)" }
Export
:root {
--toothpaste-(brickcolor-340)-1: #00ffff;
}Design systems
An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.
Nearest Tailwind color
teal-300
Very different · ΔE 8.84 · #5EEAD4
Nearest CSS named color
Aqua
Exact match · #00FFFF
Nearest Material color
cyan-200
Very different · ΔE 10.81 · #80DEEA
Nearest Bootstrap color
info
Very different · ΔE 17.09 · #0DCAF0
OKLCH
Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.
Palette
Full scale from light tints through the base color into deep shades
Palette
Mixed toward white — soft backgrounds and highlights
Palette
Mixed toward black — depth, text, and emphasis
Palette
Mixed toward neutral grey — muted UI surfaces
Harmony
Opposite on the color wheel for contrast
Harmony
Neighbors that sit comfortably together
Harmony
Evenly spaced triad for vibrant sets
Harmony
Base plus two accents beside the complement
Harmony
Same hue, varied lightness and saturation
Using this color
Toothpaste (BrickColor 340) (#00ffff) sits in the blue family at about 180° hue, 100% saturation, and 50% lightness. Contrast is 1.25:1 on white and 16.75:1 on black, so near-black labels read more clearly on the swatch itself. Nearest Tailwind token: teal-300 (approximation unless the hex is an official scale stop).
Sensible jobs for this swatch
Do not use #00ffff as small body text on white — 1.25:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.
High chroma can vibrate against complementary hues. If a pairing feels noisy, drop saturation on the background rather than the brand accent.
Family context: Trust, calm, and professionalism. The most used color in SaaS, finance, and healthcare. Common uses still include buttons, charts, and accents in the Blue range — always verify the pair for this exact hex in the contrast checker.