#51C538#51C538

#51C538 is a light, highly saturated green. Relative luminance 0.420; OKLCH L 72.9% C 0.206 H 140.5°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#51C538
RGB	rgb(81, 197, 56)
HSL	hsl(109, 56%, 50%)
HSV	hsv(109, 72%, 77%)
CMYK	cmyk(58.9%, 0%, 71.6%, 22.7%)
CIE-LAB	lab(70.85, -57.99, 57.81)
CIE-LCH	lch(70.85, 81.89, 135.09°)
OKLab	oklab(72.95% -0.1589 0.1311)
OKLCH	oklch(72.95% 0.206 140.5)
XYZ	xyz(24.0723, 41.9652, 10.5722)
Luminance	0.4197 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C538 #AC38C5

analogous

#97C538 #51C538 #38C566

triadic

#51C538 #3851C5 #C53851

tetradic

#51C538 #3897C5 #AC38C5 #C56638

square

#51C538 #3897C5 #AC38C5 #C56638

split-complementary

#51C538 #6638C5 #C53897

monochromatic

#2A661D #3D952A #51C538 #7AD467 #A3E196

Accessibility & contrast

On white

2.24

#51C538 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.39

#51C538 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C538

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C538	#FFFFFF	#000000	##000000
##51C538	1.00	2.24	9.39	9.39
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.39	21.00	1.00	1.00
##000000	9.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB320

Deuteranopia (green-blind)

#BCAA46

Tritanopia (blue-blind)

#41BFA9

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51c538;
/* rgb */ color: rgb(81, 197, 56);
/* oklch */ color: oklch(72.9% 0.206 140.5);

Tailwind

colors: {
  custom: {
    50: '#8ed777',
    500: '#51c538',
    950: '#000000',
  },
}

SCSS

$custom: #51c538;
$custom-light: #8ed777;
$custom-dark: #000000;

JSON

{
  "hex": "#51c538",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 56
  },
  "hsl": {
    "h": 109.362,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.72948,
    "c": 0.20601,
    "h": 140.5
  },
  "luminance": 0.41967
}

Semantic roles & 50–950 ramp

primary

#51C538

secondary

#C18CCD

accent

#49DFC4

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0E1409

muted

#7E837B

Preview Lab

Preview with #51C538

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

Preview Lab → · Contrast checker → · Palette generator →