#51BA31#51BA31

#51BA31 is a light, vivid green. Relative luminance 0.371; OKLCH L 70.0% C 0.197 H 139.5°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#51BA31
RGB	rgb(81, 186, 49)
HSL	hsl(106, 58%, 46%)
HSV	hsv(106, 74%, 73%)
CMYK	cmyk(56.5%, 0%, 73.7%, 27.1%)
CIE-LAB	lab(67.34, -54.56, 56.80)
CIE-LCH	lch(67.34, 78.75, 133.85°)
OKLab	oklab(70.04% -0.15 0.1281)
OKLCH	oklch(70.04% 0.197 139.5)
XYZ	xyz(21.5057, 37.0871, 8.9304)
Luminance	0.3709 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BA31 #9A31BA

analogous

#95BA31 #51BA31 #31BA55

triadic

#51BA31 #3151BA #BA3151

tetradic

#51BA31 #3195BA #9A31BA #BA5531

square

#51BA31 #3195BA #9A31BA #BA5531

split-complementary

#51BA31 #5531BA #BA3195

monochromatic

#275917 #3C8A24 #51BA31 #73D256 #9BDF86

Accessibility & contrast

On white

2.49

#51BA31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.42

#51BA31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BA31

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BA31	#FFFFFF	#000000	##000000
##51BA31	1.00	2.49	8.42	8.42
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.42	21.00	1.00	1.00
##000000	8.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA917

Deuteranopia (green-blind)

#B2A13F

Tritanopia (blue-blind)

#45B4A0

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #51ba31;
/* rgb */ color: rgb(81, 186, 49);
/* oklch */ color: oklch(70.0% 0.197 139.5);

Tailwind

colors: {
  custom: {
    50: '#8dd072',
    500: '#51ba31',
    950: '#000000',
  },
}

SCSS

$custom: #51ba31;
$custom-light: #8dd072;
$custom-dark: #000000;

JSON

{
  "hex": "#51ba31",
  "rgb": {
    "r": 81,
    "g": 186,
    "b": 49
  },
  "hsl": {
    "h": 105.985,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.70039,
    "c": 0.19724,
    "h": 139.5
  },
  "luminance": 0.37089
}

Semantic roles & 50–950 ramp

primary

#51BA31

secondary

#B77EC9

accent

#46E2BD

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51BA31

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

Preview Lab → · Contrast checker → · Palette generator →