#51F281#51F281

#51F281 is a very light, highly saturated green. Relative luminance 0.668; OKLCH L 85.2% C 0.204 H 149.5°. Best body text is #000000 at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#51F281
RGB	rgb(81, 242, 129)
HSL	hsl(138, 86%, 63%)
HSV	hsv(138, 67%, 95%)
CMYK	cmyk(66.5%, 0%, 46.7%, 5.1%)
CIE-LAB	lab(85.42, -65.28, 42.44)
CIE-LCH	lch(85.42, 77.86, 146.97°)
OKLab	oklab(85.23% -0.1759 0.1036)
OKLCH	oklch(85.23% 0.204 149.5)
XYZ	xyz(39.1049, 66.8344, 31.6041)
Luminance	0.6684 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F281 #F251C2

analogous

#71F251 #51F281 #51F2D1

triadic

#51F281 #8151F2 #F28151

tetradic

#51F281 #5171F2 #F251C2 #F2D151

square

#51F281 #5171F2 #F251C2 #F2D151

split-complementary

#51F281 #D151F2 #F25171

monochromatic

#0EBB41 #18EE58 #51F281 #8AF6AA #C3FBD3

Accessibility & contrast

On white

1.46

#51F281 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.37

#51F281 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F281

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F281	#FFFFFF	#000000	##000000
##51F281	1.00	1.46	14.37	14.37
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.37	21.00	1.00	1.00
##000000	14.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DE78

Deuteranopia (green-blind)

#E0D089

Tritanopia (blue-blind)

#00EED7

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #51f281;
/* rgb */ color: rgb(81, 242, 129);
/* oklch */ color: oklch(85.2% 0.204 149.5);

Tailwind

colors: {
  custom: {
    50: '#94f7a7',
    500: '#51f281',
    950: '#000000',
  },
}

SCSS

$custom: #51f281;
$custom-light: #94f7a7;
$custom-dark: #000000;

JSON

{
  "hex": "#51f281",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 129
  },
  "hsl": {
    "h": 137.888,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85225,
    "c": 0.20417,
    "h": 149.5
  },
  "luminance": 0.66839
}

Semantic roles & 50–950 ramp

primary

#51F281

secondary

#B92E90

accent

#03A0E3

background

#FCFFFC

surface

#F5FFF6

border

#CFD7D0

text

#0F1710

muted

#808580

Preview Lab

Preview with #51F281

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

Preview Lab → · Contrast checker → · Palette generator →