#51E08E#51E08E

#51E08E is a light, vivid green. Relative luminance 0.570; OKLCH L 81.0% C 0.169 H 154.5°. Best body text is #000000 at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#51E08E
RGB	rgb(81, 224, 142)
HSL	hsl(146, 70%, 60%)
HSV	hsv(146, 64%, 88%)
CMYK	cmyk(63.8%, 0%, 36.6%, 12.2%)
CIE-LAB	lab(80.19, -56.45, 29.16)
CIE-LCH	lch(80.19, 63.54, 152.68°)
OKLab	oklab(80.98% -0.1528 0.073)
OKLCH	oklch(80.98% 0.169 154.5)
XYZ	xyz(34.9285, 57.0100, 34.7492)
Luminance	0.5701 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E08E #E051A3

analogous

#5CE051 #51E08E #51E0D5

triadic

#51E08E #8E51E0 #E08E51

tetradic

#51E08E #515CE0 #E051A3 #E0D551

square

#51E08E #515CE0 #E051A3 #E0D551

split-complementary

#51E08E #D551E0 #E0515C

monochromatic

#1C9B52 #25CF6D #51E08E #85E9B0 #B9F3D1

Accessibility & contrast

On white

1.69

#51E08E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.40

#51E08E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E08E

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E08E	#FFFFFF	#000000	##000000
##51E08E	1.00	1.69	12.40	12.40
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.40	21.00	1.00	1.00
##000000	12.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CF89

Deuteranopia (green-blind)

#CDC293

Tritanopia (blue-blind)

#00DECB

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51e08e;
/* rgb */ color: rgb(81, 224, 142);
/* oklch */ color: oklch(81.0% 0.169 154.5);

Tailwind

colors: {
  custom: {
    50: '#90ebaf',
    500: '#51e08e',
    950: '#000000',
  },
}

SCSS

$custom: #51e08e;
$custom-light: #90ebaf;
$custom-dark: #000000;

JSON

{
  "hex": "#51e08e",
  "rgb": {
    "r": 81,
    "g": 224,
    "b": 142
  },
  "hsl": {
    "h": 145.594,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.80977,
    "c": 0.16937,
    "h": 154.5
  },
  "luminance": 0.57014
}

Semantic roles & 50–950 ramp

primary

#51E08E

secondary

#9F3772

accent

#3BA1ED

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E08E

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

Preview Lab → · Contrast checker → · Palette generator →