#51BF38#51BF38

#51BF38 is a light, vivid green. Relative luminance 0.393; OKLCH L 71.4% C 0.199 H 140.3°. Best body text is #000000 at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#51BF38
RGB	rgb(81, 191, 56)
HSL	hsl(109, 55%, 48%)
HSV	hsv(109, 71%, 75%)
CMYK	cmyk(57.6%, 0%, 70.7%, 25.1%)
CIE-LAB	lab(68.96, -55.84, 55.87)
CIE-LCH	lch(68.96, 78.99, 134.98°)
OKLab	oklab(71.39% -0.1531 0.1271)
OKLCH	oklch(71.39% 0.199 140.3)
XYZ	xyz(22.7369, 39.2945, 10.1270)
Luminance	0.3930 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF38 #A638BF

analogous

#94BF38 #51BF38 #38BF62

triadic

#51BF38 #3851BF #BF3851

tetradic

#51BF38 #3894BF #A638BF #BF6238

square

#51BF38 #3894BF #A638BF #BF6238

split-complementary

#51BF38 #6238BF #BF3894

monochromatic

#29601C #3D902A #51BF38 #77D163 #A1DF92

Accessibility & contrast

On white

2.37

#51BF38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.86

#51BF38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF38

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF38	#FFFFFF	#000000	##000000
##51BF38	1.00	2.37	8.86	8.86
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.86	21.00	1.00	1.00
##000000	8.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE22

Deuteranopia (green-blind)

#B6A545

Tritanopia (blue-blind)

#43B9A4

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51bf38;
/* rgb */ color: rgb(81, 191, 56);
/* oklch */ color: oklch(71.4% 0.199 140.3);

Tailwind

colors: {
  custom: {
    50: '#8dd376',
    500: '#51bf38',
    950: '#000000',
  },
}

SCSS

$custom: #51bf38;
$custom-light: #8dd376;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf38",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 56
  },
  "hsl": {
    "h": 108.889,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.71393,
    "c": 0.19893,
    "h": 140.3
  },
  "luminance": 0.39296
}

Semantic roles & 50–950 ramp

primary

#51BF38

secondary

#BE89CA

accent

#4ADEC3

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BF38

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

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