#51E158#51E158

#51E158 is a light, highly saturated green. Relative luminance 0.563; OKLCH L 80.4% C 0.217 H 144.0°. Best body text is #000000 at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#51E158
RGB	rgb(81, 225, 88)
HSL	hsl(123, 71%, 60%)
HSV	hsv(123, 64%, 88%)
CMYK	cmyk(64%, 0%, 60.9%, 11.8%)
CIE-LAB	lab(79.78, -64.75, 54.56)
CIE-LCH	lch(79.78, 84.67, 139.88°)
OKLab	oklab(80.42% -0.1755 0.1278)
OKLCH	oklch(80.42% 0.217 144)
XYZ	xyz(32.0781, 56.3011, 18.4073)
Luminance	0.5630 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E158 #E151DA

analogous

#92E151 #51E158 #51E1A0

triadic

#51E158 #5851E1 #E15851

tetradic

#51E158 #5192E1 #E151DA #E1A051

square

#51E158 #5192E1 #E151DA #E1A051

split-complementary

#51E158 #A051E1 #E15192

monochromatic

#1B9D21 #24D12C #51E158 #85EA8A #B9F3BC

Accessibility & contrast

On white

1.71

#51E158 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.26

#51E158 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E158

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E158	#FFFFFF	#000000	##000000
##51E158	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)

#E5CD49

Deuteranopia (green-blind)

#D4C163

Tritanopia (blue-blind)

#2FDBC4

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51e158;
/* rgb */ color: rgb(81, 225, 88);
/* oklch */ color: oklch(80.4% 0.217 144.0);

Tailwind

colors: {
  custom: {
    50: '#92ec8c',
    500: '#51e158',
    950: '#000000',
  },
}

SCSS

$custom: #51e158;
$custom-light: #92ec8c;
$custom-dark: #000000;

JSON

{
  "hex": "#51e158",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 88
  },
  "hsl": {
    "h": 122.917,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.80418,
    "c": 0.2171,
    "h": 144
  },
  "luminance": 0.56304
}

Semantic roles & 50–950 ramp

primary

#51E158

secondary

#A0369B

accent

#3AE5ED

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #51E158

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

Preview Lab → · Contrast checker → · Palette generator →