#51E477#51E477

#51E477 is a light, vivid green. Relative luminance 0.586; OKLCH L 81.6% C 0.195 H 148.6°. Best body text is #000000 at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#51E477
RGB	rgb(81, 228, 119)
HSL	hsl(136, 73%, 61%)
HSV	hsv(136, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 47.8%, 10.6%)
CIE-LAB	lab(81.05, -61.78, 41.78)
CIE-LCH	lch(81.05, 74.58, 145.93°)
OKLab	oklab(81.58% -0.1667 0.1017)
OKLCH	oklch(81.58% 0.195 148.6)
XYZ	xyz(34.4640, 58.5645, 26.9370)
Luminance	0.5857 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E477 #E451BE

analogous

#74E451 #51E477 #51E4C0

triadic

#51E477 #7751E4 #E47751

tetradic

#51E477 #5174E4 #E451BE #E4C051

square

#51E477 #5174E4 #E451BE #E4C051

split-complementary

#51E477 #C051E4 #E45174

monochromatic

#19A23C #21D750 #51E477 #86ECA0 #BBF4CA

Accessibility & contrast

On white

1.65

#51E477 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.71

#51E477 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E477

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E477	#FFFFFF	#000000	##000000
##51E477	1.00	1.65	12.71	12.71
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.71	21.00	1.00	1.00
##000000	12.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D16E

Deuteranopia (green-blind)

#D4C47F

Tritanopia (blue-blind)

#1BE0CA

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e477;
/* rgb */ color: rgb(81, 228, 119);
/* oklch */ color: oklch(81.6% 0.195 148.6);

Tailwind

colors: {
  custom: {
    50: '#91eea0',
    500: '#51e477',
    950: '#000000',
  },
}

SCSS

$custom: #51e477;
$custom-light: #91eea0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e477",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 119
  },
  "hsl": {
    "h": 135.51,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81577,
    "c": 0.19524,
    "h": 148.6
  },
  "luminance": 0.58568
}

Semantic roles & 50–950 ramp

primary

#51E477

secondary

#A43587

accent

#10A2D5

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E477

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

Preview Lab → · Contrast checker → · Palette generator →