#51EA5B#51EA5B

#51EA5B is a very light, highly saturated green. Relative luminance 0.614; OKLCH L 82.7% C 0.226 H 144.2°. Best body text is #000000 at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#51EA5B
RGB	rgb(81, 234, 91)
HSL	hsl(124, 78%, 62%)
HSV	hsv(124, 65%, 92%)
CMYK	cmyk(65.4%, 0%, 61.1%, 8.2%)
CIE-LAB	lab(82.56, -67.48, 56.42)
CIE-LCH	lch(82.56, 87.97, 140.10°)
OKLab	oklab(82.73% -0.1828 0.132)
OKLCH	oklch(82.73% 0.226 144.2)
XYZ	xyz(34.7023, 61.3467, 19.9078)
Luminance	0.6135 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EA5B #EA51E0

analogous

#93EA51 #51EA5B #51EAA8

triadic

#51EA5B #5B51EA #EA5B51

tetradic

#51EA5B #5193EA #EA51E0 #EAA851

square

#51EA5B #5193EA #EA51E0 #EAA851

split-complementary

#51EA5B #A851EA #EA5193

monochromatic

#15AC1F #1BE228 #51EA5B #88F18E #BEF7C2

Accessibility & contrast

On white

1.58

#51EA5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.27

#51EA5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EA5B

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EA5B	#FFFFFF	#000000	##000000
##51EA5B	1.00	1.58	13.27	13.27
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.27	21.00	1.00	1.00
##000000	13.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED54B

Deuteranopia (green-blind)

#DCC967

Tritanopia (blue-blind)

#28E4CC

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51ea5b;
/* rgb */ color: rgb(81, 234, 91);
/* oklch */ color: oklch(82.7% 0.226 144.2);

Tailwind

colors: {
  custom: {
    50: '#93f28e',
    500: '#51ea5b',
    950: '#000000',
  },
}

SCSS

$custom: #51ea5b;
$custom-light: #93f28e;
$custom-dark: #000000;

JSON

{
  "hex": "#51ea5b",
  "rgb": {
    "r": 81,
    "g": 234,
    "b": 91
  },
  "hsl": {
    "h": 123.922,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.82726,
    "c": 0.2255,
    "h": 144.2
  },
  "luminance": 0.6135
}

Semantic roles & 50–950 ramp

primary

#51EA5B

secondary

#AD32A5

accent

#0BCDDB

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0F170D

muted

#80857F

Preview Lab

Preview with #51EA5B

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

Preview Lab → · Contrast checker → · Palette generator →