#51C320#51C320

#51C320 is a light, highly saturated green. Relative luminance 0.409; OKLCH L 72.3% C 0.215 H 138.8°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#51C320
RGB	rgb(81, 195, 32)
HSL	hsl(102, 72%, 45%)
HSV	hsv(102, 84%, 76%)
CMYK	cmyk(58.5%, 0%, 83.6%, 23.5%)
CIE-LAB	lab(70.09, -58.76, 64.54)
CIE-LCH	lch(70.09, 87.28, 132.31°)
OKLab	oklab(72.28% -0.1622 0.1419)
OKLCH	oklch(72.28% 0.216 138.8)
XYZ	xyz(23.1682, 40.8818, 8.0363)
Luminance	0.4088 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C320 #9220C3

analogous

#A3C320 #51C320 #20C340

triadic

#51C320 #2051C3 #C32051

tetradic

#51C320 #20A3C3 #9220C3 #C34020

square

#51C320 #20A3C3 #9220C3 #C34020

split-complementary

#51C320 #4020C3 #C320A3

monochromatic

#255A0F #3B8E17 #51C320 #70E040 #98E875

Accessibility & contrast

On white

2.29

#51C320 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#51C320 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C320

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C320	#FFFFFF	#000000	##000000
##51C320	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B100

Deuteranopia (green-blind)

#BBA836

Tritanopia (blue-blind)

#45BCA6

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51c320;
/* rgb */ color: rgb(81, 195, 32);
/* oklch */ color: oklch(72.3% 0.215 138.8);

Tailwind

colors: {
  custom: {
    50: '#8fd66c',
    500: '#51c320',
    950: '#000000',
  },
}

SCSS

$custom: #51c320;
$custom-light: #8fd66c;
$custom-dark: #000000;

JSON

{
  "hex": "#51c320",
  "rgb": {
    "r": 81,
    "g": 195,
    "b": 32
  },
  "hsl": {
    "h": 101.963,
    "s": 71.806,
    "l": 44.51
  },
  "oklch": {
    "l": 0.72284,
    "c": 0.2155,
    "h": 138.8
  },
  "luminance": 0.40884
}

Semantic roles & 50–950 ramp

primary

#51C320

secondary

#B36FCF

accent

#39EFB8

background

#F9FDF6

surface

#F2FAEC

border

#CCD3C7

text

#0E1408

muted

#7E837A

Preview Lab

Preview with #51C320

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

Preview Lab → · Contrast checker → · Palette generator →