#51E8B9#51E8B9

#51E8B9 is a very light, vivid teal. Relative luminance 0.630; OKLCH L 83.9% C 0.144 H 168.5°. Best body text is #000000 at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#51E8B9
RGB	rgb(81, 232, 185)
HSL	hsl(161, 77%, 61%)
HSV	hsv(161, 65%, 91%)
CMYK	cmyk(65.1%, 0%, 20.3%, 9%)
CIE-LAB	lab(83.42, -50.74, 11.29)
CIE-LCH	lch(83.42, 51.98, 167.46°)
OKLab	oklab(83.91% -0.1414 0.0289)
OKLCH	oklch(83.91% 0.144 168.5)
XYZ	xyz(41.0024, 62.9609, 55.8813)
Luminance	0.6297 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E8B9 #E85180

analogous

#51E86E #51E8B9 #51CBE8

triadic

#51E8B9 #B951E8 #E8B951

tetradic

#51E8B9 #6E51E8 #E85180 #CBE851

square

#51E8B9 #6E51E8 #E85180 #CBE851

split-complementary

#51E8B9 #E851CB #E86E51

monochromatic

#16A87B #1DDEA2 #51E8B9 #87EFCF #BDF6E4

Accessibility & contrast

On white

1.54

#51E8B9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.59

#51E8B9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E8B9

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E8B9	#FFFFFF	#000000	##000000
##51E8B9	1.00	1.54	13.59	13.59
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.59	21.00	1.00	1.00
##000000	13.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2D9B7

Deuteranopia (green-blind)

#CECABC

Tritanopia (blue-blind)

#00E9DB

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51e8b9;
/* rgb */ color: rgb(81, 232, 185);
/* oklch */ color: oklch(83.9% 0.144 168.5);

Tailwind

colors: {
  custom: {
    50: '#92f0ce',
    500: '#51e8b9',
    950: '#000000',
  },
}

SCSS

$custom: #51e8b9;
$custom-light: #92f0ce;
$custom-dark: #000000;

JSON

{
  "hex": "#51e8b9",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 185
  },
  "hsl": {
    "h": 161.325,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.83908,
    "c": 0.14433,
    "h": 168.5
  },
  "luminance": 0.62965
}

Semantic roles & 50–950 ramp

primary

#51E8B9

secondary

#AA3358

accent

#0D4CD9

background

#FCFFFE

surface

#F5FEFA

border

#CFD6D3

text

#0E1713

muted

#7F8583

Preview Lab

Preview with #51E8B9

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

Preview Lab → · Contrast checker → · Palette generator →