#51E15B#51E15B

#51E15B is a light, highly saturated green. Relative luminance 0.564; OKLCH L 80.5% C 0.215 H 144.3°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#51E15B
RGB	rgb(81, 225, 91)
HSL	hsl(124, 71%, 60%)
HSV	hsv(124, 64%, 88%)
CMYK	cmyk(64%, 0%, 59.6%, 11.8%)
CIE-LAB	lab(79.81, -64.41, 53.29)
CIE-LCH	lch(79.81, 83.60, 140.40°)
OKLab	oklab(80.45% -0.1745 0.1253)
OKLCH	oklch(80.45% 0.215 144.3)
XYZ	xyz(32.2049, 56.3518, 19.0753)
Luminance	0.5635 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E15B #E151D7

analogous

#8FE151 #51E15B #51E1A3

triadic

#51E15B #5B51E1 #E15B51

tetradic

#51E15B #518FE1 #E151D7 #E1A351

square

#51E15B #518FE1 #E151D7 #E1A351

split-complementary

#51E15B #A351E1 #E1518F

monochromatic

#1B9D24 #24D130 #51E15B #85EA8C #B9F3BD

Accessibility & contrast

On white

1.71

#51E15B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#51E15B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E15B

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E15B	#FFFFFF	#000000	##000000
##51E15B	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CD4D

Deuteranopia (green-blind)

#D3C166

Tritanopia (blue-blind)

#2EDBC4

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51e15b;
/* rgb */ color: rgb(81, 225, 91);
/* oklch */ color: oklch(80.5% 0.215 144.3);

Tailwind

colors: {
  custom: {
    50: '#92eb8e',
    500: '#51e15b',
    950: '#000000',
  },
}

SCSS

$custom: #51e15b;
$custom-light: #92eb8e;
$custom-dark: #000000;

JSON

{
  "hex": "#51e15b",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 91
  },
  "hsl": {
    "h": 124.167,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.80451,
    "c": 0.21481,
    "h": 144.3
  },
  "luminance": 0.56355
}

Semantic roles & 50–950 ramp

primary

#51E15B

secondary

#A03699

accent

#3AE1ED

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #51E15B

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

Preview Lab → · Contrast checker → · Palette generator →