#51CB5E#51CB5E

#51CB5E is a light, vivid green. Relative luminance 0.453; OKLCH L 74.9% C 0.185 H 145.3°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#51CB5E
RGB	rgb(81, 203, 94)
HSL	hsl(126, 54%, 56%)
HSV	hsv(126, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 53.7%, 20.4%)
CIE-LAB	lab(73.07, -56.17, 43.97)
CIE-LCH	lch(73.07, 71.34, 141.94°)
OKLab	oklab(74.89% -0.1521 0.1053)
OKLCH	oklch(74.89% 0.185 145.3)
XYZ	xyz(26.7680, 45.2668, 17.9142)
Luminance	0.4527 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB5E #CB51BE

analogous

#81CB51 #51CB5E #51CB9B

triadic

#51CB5E #5E51CB #CB5E51

tetradic

#51CB5E #5181CB #CB51BE #CB9B51

square

#51CB5E #5181CB #CB51BE #CB9B51

split-complementary

#51CB5E #9B51CB #CB5181

monochromatic

#257C2E #33AC40 #51CB5E #80D98A #AFE7B5

Accessibility & contrast

On white

2.09

#51CB5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#51CB5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB5E

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB5E	#FFFFFF	#000000	##000000
##51CB5E	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBA54

Deuteranopia (green-blind)

#BFAF66

Tritanopia (blue-blind)

#36C6B2

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cb5e;
/* rgb */ color: rgb(81, 203, 94);
/* oklch */ color: oklch(74.9% 0.185 145.3);

Tailwind

colors: {
  custom: {
    50: '#8edc8e',
    500: '#51cb5e',
    950: '#000000',
  },
}

SCSS

$custom: #51cb5e;
$custom-light: #8edc8e;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb5e",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 94
  },
  "hsl": {
    "h": 126.393,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.74893,
    "c": 0.18496,
    "h": 145.3
  },
  "luminance": 0.45269
}

Semantic roles & 50–950 ramp

primary

#51CB5E

secondary

#D5A3D0

accent

#4ACEDD

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CB5E

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

Preview Lab → · Contrast checker → · Palette generator →