#51F271#51F271

#51F271 is a very light, highly saturated green. Relative luminance 0.664; OKLCH L 85.0% C 0.218 H 146.8°. Best body text is #000000 at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#51F271
RGB	rgb(81, 242, 113)
HSL	hsl(132, 86%, 63%)
HSV	hsv(132, 67%, 95%)
CMYK	cmyk(66.5%, 0%, 53.3%, 5.1%)
CIE-LAB	lab(85.22, -67.56, 49.75)
CIE-LCH	lch(85.22, 83.90, 143.63°)
OKLab	oklab(85% -0.1823 0.1192)
OKLCH	oklch(85% 0.218 146.8)
XYZ	xyz(38.1234, 66.4418, 26.4350)
Luminance	0.6645 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F271 #F251D2

analogous

#82F251 #51F271 #51F2C1

triadic

#51F271 #7151F2 #F27151

tetradic

#51F271 #5182F2 #F251D2 #F2C151

square

#51F271 #5182F2 #F251D2 #F2C151

split-complementary

#51F271 #C151F2 #F25182

monochromatic

#0EBB30 #18EE43 #51F271 #8AF69F #C3FBCE

Accessibility & contrast

On white

1.47

#51F271 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.29

#51F271 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F271

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F271	#FFFFFF	#000000	##000000
##51F271	1.00	1.47	14.29	14.29
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.29	21.00	1.00	1.00
##000000	14.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DD65

Deuteranopia (green-blind)

#E2D07B

Tritanopia (blue-blind)

#11EDD5

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #51f271;
/* rgb */ color: rgb(81, 242, 113);
/* oklch */ color: oklch(85.0% 0.218 146.8);

Tailwind

colors: {
  custom: {
    50: '#94f89d',
    500: '#51f271',
    950: '#000000',
  },
}

SCSS

$custom: #51f271;
$custom-light: #94f89d;
$custom-dark: #000000;

JSON

{
  "hex": "#51f271",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 113
  },
  "hsl": {
    "h": 131.925,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.84996,
    "c": 0.21778,
    "h": 146.8
  },
  "luminance": 0.66446
}

Semantic roles & 50–950 ramp

primary

#51F271

secondary

#B92E9E

accent

#03B6E3

background

#FCFFFC

surface

#F5FFF5

border

#CFD7CF

text

#0F170E

muted

#80857F

Preview Lab

Preview with #51F271

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

Preview Lab → · Contrast checker → · Palette generator →