#51C138#51C138

#51C138 is a light, highly saturated green. Relative luminance 0.402; OKLCH L 71.9% C 0.201 H 140.4°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#51C138
RGB	rgb(81, 193, 56)
HSL	hsl(109, 55%, 49%)
HSV	hsv(109, 71%, 76%)
CMYK	cmyk(58%, 0%, 71%, 24.3%)
CIE-LAB	lab(69.59, -56.56, 56.52)
CIE-LCH	lch(69.59, 79.96, 135.02°)
OKLab	oklab(71.91% -0.155 0.1284)
OKLCH	oklch(71.91% 0.201 140.4)
XYZ	xyz(23.1761, 40.1727, 10.2734)
Luminance	0.4017 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C138 #A838C1

analogous

#96C138 #51C138 #38C164

triadic

#51C138 #3851C1 #C13851

tetradic

#51C138 #3896C1 #A838C1 #C16438

square

#51C138 #3896C1 #A838C1 #C16438

split-complementary

#51C138 #6438C1 #C13896

monochromatic

#29621C #3D922A #51C138 #78D264 #A1E094

Accessibility & contrast

On white

2.32

#51C138 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.03

#51C138 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C138

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C138	#FFFFFF	#000000	##000000
##51C138	1.00	2.32	9.03	9.03
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.03	21.00	1.00	1.00
##000000	9.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B022

Deuteranopia (green-blind)

#B8A645

Tritanopia (blue-blind)

#43BBA6

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51c138;
/* rgb */ color: rgb(81, 193, 56);
/* oklch */ color: oklch(71.9% 0.201 140.4);

Tailwind

colors: {
  custom: {
    50: '#8ed576',
    500: '#51c138',
    950: '#000000',
  },
}

SCSS

$custom: #51c138;
$custom-light: #8ed576;
$custom-dark: #000000;

JSON

{
  "hex": "#51c138",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 56
  },
  "hsl": {
    "h": 109.051,
    "s": 55.02,
    "l": 48.824
  },
  "oklch": {
    "l": 0.71912,
    "c": 0.2013,
    "h": 140.4
  },
  "luminance": 0.40175
}

Semantic roles & 50–950 ramp

primary

#51C138

secondary

#BF8ACB

accent

#49DEC3

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51C138

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

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