#51CB5D#51CB5D

#51CB5D is a light, vivid green. Relative luminance 0.453; OKLCH L 74.9% C 0.186 H 145.1°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#51CB5D
RGB	rgb(81, 203, 93)
HSL	hsl(126, 54%, 56%)
HSV	hsv(126, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 54.2%, 20.4%)
CIE-LAB	lab(73.06, -56.30, 44.43)
CIE-LCH	lch(73.06, 71.72, 141.72°)
OKLab	oklab(74.88% -0.1525 0.1062)
OKLCH	oklch(74.88% 0.186 145.1)
XYZ	xyz(26.7234, 45.2490, 17.6794)
Luminance	0.4525 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB5D #CB51BF

analogous

#82CB51 #51CB5D #51CB9A

triadic

#51CB5D #5D51CB #CB5D51

tetradic

#51CB5D #5182CB #CB51BF #CB9A51

square

#51CB5D #5182CB #CB51BF #CB9A51

split-complementary

#51CB5D #9A51CB #CB5182

monochromatic

#257C2E #33AC3F #51CB5D #80D989 #AFE7B5

Accessibility & contrast

On white

2.09

#51CB5D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#51CB5D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB5D

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB5D	#FFFFFF	#000000	##000000
##51CB5D	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)

#CEBA53

Deuteranopia (green-blind)

#BFAF65

Tritanopia (blue-blind)

#37C6B2

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cb5d;
/* rgb */ color: rgb(81, 203, 93);
/* oklch */ color: oklch(74.9% 0.186 145.1);

Tailwind

colors: {
  custom: {
    50: '#8edc8d',
    500: '#51cb5d',
    950: '#000000',
  },
}

SCSS

$custom: #51cb5d;
$custom-light: #8edc8d;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb5d",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 93
  },
  "hsl": {
    "h": 125.902,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.74879,
    "c": 0.18582,
    "h": 145.1
  },
  "luminance": 0.45252
}

Semantic roles & 50–950 ramp

primary

#51CB5D

secondary

#D5A3D0

accent

#4ACFDD

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CB5D

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

Preview Lab → · Contrast checker → · Palette generator →