#51E28E#51E28E

#51E28E is a light, vivid green. Relative luminance 0.581; OKLCH L 81.5% C 0.172 H 154.2°. Best body text is #000000 at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#51E28E
RGB	rgb(81, 226, 142)
HSL	hsl(145, 71%, 60%)
HSV	hsv(145, 64%, 89%)
CMYK	cmyk(64.2%, 0%, 37.2%, 11.4%)
CIE-LAB	lab(80.79, -57.22, 29.97)
CIE-LCH	lch(80.79, 64.59, 152.36°)
OKLab	oklab(81.47% -0.1548 0.0749)
OKLCH	oklch(81.47% 0.172 154.2)
XYZ	xyz(35.4691, 58.0913, 34.9294)
Luminance	0.5809 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E28E #E251A5

analogous

#5DE251 #51E28E #51E2D6

triadic

#51E28E #8E51E2 #E28E51

tetradic

#51E28E #515DE2 #E251A5 #E2D651

square

#51E28E #515DE2 #E251A5 #E2D651

split-complementary

#51E28E #D651E2 #E2515D

monochromatic

#1A9E52 #23D36D #51E28E #85EBB0 #BAF3D2

Accessibility & contrast

On white

1.66

#51E28E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.62

#51E28E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E28E

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E28E	#FFFFFF	#000000	##000000
##51E28E	1.00	1.66	12.62	12.62
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.62	21.00	1.00	1.00
##000000	12.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2D188

Deuteranopia (green-blind)

#CFC393

Tritanopia (blue-blind)

#00DFCD

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e28e;
/* rgb */ color: rgb(81, 226, 142);
/* oklch */ color: oklch(81.5% 0.172 154.2);

Tailwind

colors: {
  custom: {
    50: '#91ecaf',
    500: '#51e28e',
    950: '#000000',
  },
}

SCSS

$custom: #51e28e;
$custom-light: #91ecaf;
$custom-dark: #000000;

JSON

{
  "hex": "#51e28e",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 142
  },
  "hsl": {
    "h": 145.241,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.81474,
    "c": 0.17201,
    "h": 154.2
  },
  "luminance": 0.58095
}

Semantic roles & 50–950 ramp

primary

#51E28E

secondary

#A13674

accent

#1282D3

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E28E

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

Preview Lab → · Contrast checker → · Palette generator →