#51E2E9#51E2E9

#51E2E9 is a very light, vivid teal. Relative luminance 0.620; OKLCH L 83.9% C 0.122 H 199.7°. Best body text is #000000 at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#51E2E9
RGB	rgb(81, 226, 233)
HSL	hsl(183, 78%, 62%)
HSV	hsv(183, 65%, 91%)
CMYK	cmyk(65.2%, 3%, 0%, 8.6%)
CIE-LAB	lab(82.92, -35.86, -14.79)
CIE-LCH	lch(82.92, 38.79, 202.41°)
OKLab	oklab(83.92% -0.1144 -0.041)
OKLCH	oklch(83.92% 0.122 199.7)
XYZ	xyz(45.2912, 62.0202, 86.6591)
Luminance	0.6202 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E2E9 #E95851

analogous

#51E9A4 #51E2E9 #5196E9

triadic

#51E2E9 #E951E2 #E2E951

tetradic

#51E2E9 #A451E9 #E95851 #96E951

square

#51E2E9 #A451E9 #E95851 #96E951

split-complementary

#51E2E9 #E95196 #E9A451

monochromatic

#16A3AA #1CD7E0 #51E2E9 #87EBF0 #BEF4F7

Accessibility & contrast

On white

1.57

#51E2E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.41

#51E2E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E2E9

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E2E9	#FFFFFF	#000000	##000000
##51E2E9	1.00	1.57	13.41	13.41
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.41	21.00	1.00	1.00
##000000	13.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2D8EA

Deuteranopia (green-blind)

#BBC7EA

Tritanopia (blue-blind)

#00EAE4

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e2e9;
/* rgb */ color: rgb(81, 226, 233);
/* oklch */ color: oklch(83.9% 0.122 199.7);

Tailwind

colors: {
  custom: {
    50: '#94ebf0',
    500: '#51e2e9',
    950: '#000000',
  },
}

SCSS

$custom: #51e2e9;
$custom-light: #94ebf0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e2e9",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 233
  },
  "hsl": {
    "h": 182.763,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.83921,
    "c": 0.12157,
    "h": 199.7
  },
  "luminance": 0.62025
}

Semantic roles & 50–950 ramp

primary

#51E2E9

secondary

#AB3833

accent

#150CDA

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #51E2E9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →