#51E225#51E225

#51E225 is a light, highly saturated green. Relative luminance 0.563; OKLCH L 80.3% C 0.247 H 140.1°. Best body text is #000000 at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#51E225
RGB	rgb(81, 226, 37)
HSL	hsl(106, 77%, 52%)
HSV	hsv(106, 84%, 89%)
CMYK	cmyk(64.2%, 0%, 83.6%, 11.4%)
CIE-LAB	lab(79.77, -68.91, 72.02)
CIE-LCH	lch(79.77, 99.68, 133.74°)
OKLab	oklab(80.3% -0.1892 0.1583)
OKLCH	oklch(80.3% 0.247 140.1)
XYZ	xyz(30.9222, 56.2725, 10.9820)
Luminance	0.5628 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E225 #B625E2

analogous

#AFE225 #51E225 #25E258

triadic

#51E225 #2551E2 #E22551

tetradic

#51E225 #25AFE2 #B625E2 #E25825

square

#51E225 #25AFE2 #B625E2 #E25825

split-complementary

#51E225 #5825E2 #E225AF

monochromatic

#2A7C11 #3CB218 #51E225 #7CE95B #A7F091

Accessibility & contrast

On white

1.71

#51E225 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.26

#51E225 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E225

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E225	#FFFFFF	#000000	##000000
##51E225	1.00	1.71	12.26	12.26
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.26	21.00	1.00	1.00
##000000	12.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8CD00

Deuteranopia (green-blind)

#D7C13F

Tritanopia (blue-blind)

#3ADAC1

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51e225;
/* rgb */ color: rgb(81, 226, 37);
/* oklch */ color: oklch(80.3% 0.247 140.1);

Tailwind

colors: {
  custom: {
    50: '#94ec72',
    500: '#51e225',
    950: '#000000',
  },
}

SCSS

$custom: #51e225;
$custom-light: #94ec72;
$custom-dark: #000000;

JSON

{
  "hex": "#51e225",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 37
  },
  "hsl": {
    "h": 106.032,
    "s": 76.518,
    "l": 51.569
  },
  "oklch": {
    "l": 0.80301,
    "c": 0.24669,
    "h": 140.1
  },
  "luminance": 0.56276
}

Semantic roles & 50–950 ramp

primary

#51E225

secondary

#6E2883

accent

#35F3C7

background

#FCFFFB

surface

#F5FEF1

border

#CFD6CB

text

#0F1609

muted

#80857D

Preview Lab

Preview with #51E225

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

Preview Lab → · Contrast checker → · Palette generator →