#51C13B#51C13B

#51C13B is a light, vivid green. Relative luminance 0.402; OKLCH L 71.9% C 0.199 H 140.6°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#51C13B
RGB	rgb(81, 193, 59)
HSL	hsl(110, 53%, 49%)
HSV	hsv(110, 69%, 76%)
CMYK	cmyk(58%, 0%, 69.4%, 24.3%)
CIE-LAB	lab(69.61, -56.32, 55.40)
CIE-LCH	lch(69.61, 79.00, 135.47°)
OKLab	oklab(71.94% -0.1542 0.1265)
OKLCH	oklch(71.94% 0.199 140.6)
XYZ	xyz(23.2516, 40.2030, 10.6715)
Luminance	0.4021 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C13B #AB3BC1

analogous

#94C13B #51C13B #3BC168

triadic

#51C13B #3B51C1 #C13B51

tetradic

#51C13B #3B94C1 #AB3BC1 #C1683B

square

#51C13B #3B94C1 #AB3BC1 #C1683B

split-complementary

#51C13B #683BC1 #C13B94

monochromatic

#2A631E #3D922D #51C13B #79D168 #A3DF97

Accessibility & contrast

On white

2.32

#51C13B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#51C13B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C13B

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C13B	#FFFFFF	#000000	##000000
##51C13B	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B027

Deuteranopia (green-blind)

#B8A648

Tritanopia (blue-blind)

#42BBA6

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51c13b;
/* rgb */ color: rgb(81, 193, 59);
/* oklch */ color: oklch(71.9% 0.199 140.6);

Tailwind

colors: {
  custom: {
    50: '#8ed578',
    500: '#51c13b',
    950: '#000000',
  },
}

SCSS

$custom: #51c13b;
$custom-light: #8ed578;
$custom-dark: #000000;

JSON

{
  "hex": "#51c13b",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 59
  },
  "hsl": {
    "h": 110.149,
    "s": 53.175,
    "l": 49.412
  },
  "oklch": {
    "l": 0.71936,
    "c": 0.1994,
    "h": 140.6
  },
  "luminance": 0.40205
}

Semantic roles & 50–950 ramp

primary

#51C13B

secondary

#C18DCB

accent

#4BDDC5

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51C13B

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

Preview Lab → · Contrast checker → · Palette generator →