#51E987#51E987

#51E987 is a very light, vivid green. Relative luminance 0.618; OKLCH L 83.1% C 0.187 H 151.5°. Best body text is #000000 at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#51E987
RGB	rgb(81, 233, 135)
HSL	hsl(141, 78%, 62%)
HSV	hsv(141, 65%, 91%)
CMYK	cmyk(65.2%, 0%, 42.1%, 8.6%)
CIE-LAB	lab(82.79, -61.07, 36.13)
CIE-LCH	lch(82.79, 70.96, 149.39°)
OKLab	oklab(83.09% -0.1648 0.0893)
OKLCH	oklch(83.09% 0.187 151.5)
XYZ	xyz(36.9024, 61.7725, 32.8955)
Luminance	0.6178 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E987 #E951B3

analogous

#67E951 #51E987 #51E9D3

triadic

#51E987 #8751E9 #E98751

tetradic

#51E987 #5167E9 #E951B3 #E9D351

square

#51E987 #5167E9 #E951B3 #E9D351

split-complementary

#51E987 #D351E9 #E95167

monochromatic

#16AA4A #1CE062 #51E987 #87F0AC #BEF7D2

Accessibility & contrast

On white

1.57

#51E987 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.36

#51E987 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E987

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E987	#FFFFFF	#000000	##000000
##51E987	1.00	1.57	13.36	13.36
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.36	21.00	1.00	1.00
##000000	13.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD680

Deuteranopia (green-blind)

#D7C98E

Tritanopia (blue-blind)

#00E6D1

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e987;
/* rgb */ color: rgb(81, 233, 135);
/* oklch */ color: oklch(83.1% 0.187 151.5);

Tailwind

colors: {
  custom: {
    50: '#92f1ab',
    500: '#51e987',
    950: '#000000',
  },
}

SCSS

$custom: #51e987;
$custom-light: #92f1ab;
$custom-dark: #000000;

JSON

{
  "hex": "#51e987",
  "rgb": {
    "r": 81,
    "g": 233,
    "b": 135
  },
  "hsl": {
    "h": 141.316,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.83086,
    "c": 0.18742,
    "h": 151.5
  },
  "luminance": 0.61776
}

Semantic roles & 50–950 ramp

primary

#51E987

secondary

#AB3381

accent

#0C91DA

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1710

muted

#7F8581

Preview Lab

Preview with #51E987

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

Preview Lab → · Contrast checker → · Palette generator →