#51C739#51C739

#51C739 is a light, highly saturated green. Relative luminance 0.429; OKLCH L 73.5% C 0.208 H 140.6°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#51C739
RGB	rgb(81, 199, 57)
HSL	hsl(110, 56%, 50%)
HSV	hsv(110, 71%, 78%)
CMYK	cmyk(59.3%, 0%, 71.4%, 22%)
CIE-LAB	lab(71.48, -58.63, 58.09)
CIE-LCH	lch(71.48, 82.53, 135.26°)
OKLab	oklab(73.47% -0.1605 0.1318)
OKLCH	oklch(73.47% 0.208 140.6)
XYZ	xyz(24.5541, 42.8894, 10.8546)
Luminance	0.4289 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C739 #AF39C7

analogous

#98C739 #51C739 #39C768

triadic

#51C739 #3951C7 #C73951

tetradic

#51C739 #3998C7 #AF39C7 #C76839

square

#51C739 #3998C7 #AF39C7 #C76839

split-complementary

#51C739 #6839C7 #C73998

monochromatic

#2A681D #3D982B #51C739 #7BD469 #A5E298

Accessibility & contrast

On white

2.19

#51C739 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.58

#51C739 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C739

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C739	#FFFFFF	#000000	##000000
##51C739	1.00	2.19	9.58	9.58
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.58	21.00	1.00	1.00
##000000	9.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB521

Deuteranopia (green-blind)

#BEAB47

Tritanopia (blue-blind)

#41C1AB

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51c739;
/* rgb */ color: rgb(81, 199, 57);
/* oklch */ color: oklch(73.5% 0.208 140.6);

Tailwind

colors: {
  custom: {
    50: '#8fd978',
    500: '#51c739',
    950: '#000000',
  },
}

SCSS

$custom: #51c739;
$custom-light: #8fd978;
$custom-dark: #000000;

JSON

{
  "hex": "#51c739",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 57
  },
  "hsl": {
    "h": 109.859,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.73473,
    "c": 0.20773,
    "h": 140.6
  },
  "luminance": 0.42892
}

Semantic roles & 50–950 ramp

primary

#51C739

secondary

#C38ECE

accent

#49DFC6

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E1509

muted

#7E837B

Preview Lab

Preview with #51C739

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

Preview Lab → · Contrast checker → · Palette generator →