#51E23F#51E23F

#51E23F is a light, highly saturated green. Relative luminance 0.565; OKLCH L 80.4% C 0.235 H 141.5°. Best body text is #000000 at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#51E23F
RGB	rgb(81, 226, 63)
HSL	hsl(113, 74%, 57%)
HSV	hsv(113, 72%, 89%)
CMYK	cmyk(64.2%, 0%, 72.1%, 11.4%)
CIE-LAB	lab(79.90, -67.39, 64.52)
CIE-LCH	lch(79.90, 93.29, 136.25°)
OKLab	oklab(80.45% -0.1839 0.146)
OKLCH	oklch(80.45% 0.235 141.5)
XYZ	xyz(31.4852, 56.4978, 13.9476)
Luminance	0.5650 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E23F #D03FE2

analogous

#A3E23F #51E23F #3FE27F

triadic

#51E23F #3F51E2 #E23F51

tetradic

#51E23F #3FA3E2 #D03FE2 #E27F3F

square

#51E23F #3FA3E2 #D03FE2 #E27F3F

split-complementary

#51E23F #7F3FE2 #E23FA3

monochromatic

#239116 #30C61E #51E23F #81EA74 #B1F2A9

Accessibility & contrast

On white

1.71

#51E23F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.30

#51E23F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E23F

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E23F	#FFFFFF	#000000	##000000
##51E23F	1.00	1.71	12.30	12.30
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.30	21.00	1.00	1.00
##000000	12.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CD21

Deuteranopia (green-blind)

#D6C250

Tritanopia (blue-blind)

#35DBC2

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51e23f;
/* rgb */ color: rgb(81, 226, 63);
/* oklch */ color: oklch(80.4% 0.235 141.5);

Tailwind

colors: {
  custom: {
    50: '#93ec7e',
    500: '#51e23f',
    950: '#000000',
  },
}

SCSS

$custom: #51e23f;
$custom-light: #93ec7e;
$custom-dark: #000000;

JSON

{
  "hex": "#51e23f",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 63
  },
  "hsl": {
    "h": 113.374,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.80447,
    "c": 0.23482,
    "h": 141.5
  },
  "luminance": 0.56501
}

Semantic roles & 50–950 ramp

primary

#51E23F

secondary

#8A3096

accent

#37F0DC

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0F160A

muted

#80857D

Preview Lab

Preview with #51E23F

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

Preview Lab → · Contrast checker → · Palette generator →