#51E48E#51E48E

#51E48E is a light, vivid green. Relative luminance 0.592; OKLCH L 82.0% C 0.175 H 153.9°. Best body text is #000000 at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#51E48E
RGB	rgb(81, 228, 142)
HSL	hsl(145, 73%, 61%)
HSV	hsv(145, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 37.7%, 10.6%)
CIE-LAB	lab(81.39, -57.98, 30.77)
CIE-LCH	lch(81.39, 65.64, 152.05°)
OKLab	oklab(81.97% -0.1568 0.0769)
OKLCH	oklch(81.97% 0.175 153.9)
XYZ	xyz(36.0161, 59.1853, 35.1118)
Luminance	0.5919 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E48E #E451A7

analogous

#5DE451 #51E48E #51E4D7

triadic

#51E48E #8E51E4 #E48E51

tetradic

#51E48E #515DE4 #E451A7 #E4D751

square

#51E48E #515DE4 #E451A7 #E4D751

split-complementary

#51E48E #D751E4 #E4515D

monochromatic

#19A252 #21D76C #51E48E #86ECB0 #BBF4D3

Accessibility & contrast

On white

1.64

#51E48E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.84

#51E48E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E48E

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E48E	#FFFFFF	#000000	##000000
##51E48E	1.00	1.64	12.84	12.84
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.84	21.00	1.00	1.00
##000000	12.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4D288

Deuteranopia (green-blind)

#D1C594

Tritanopia (blue-blind)

#00E1CE

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e48e;
/* rgb */ color: rgb(81, 228, 142);
/* oklch */ color: oklch(82.0% 0.175 153.9);

Tailwind

colors: {
  custom: {
    50: '#91edaf',
    500: '#51e48e',
    950: '#000000',
  },
}

SCSS

$custom: #51e48e;
$custom-light: #91edaf;
$custom-dark: #000000;

JSON

{
  "hex": "#51e48e",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 142
  },
  "hsl": {
    "h": 144.898,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81971,
    "c": 0.17464,
    "h": 153.9
  },
  "luminance": 0.59189
}

Semantic roles & 50–950 ramp

primary

#51E48E

secondary

#A43576

accent

#1083D5

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E48E

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

Preview Lab → · Contrast checker → · Palette generator →