#51BF3E#51BF3E

#51BF3E is a light, vivid green. Relative luminance 0.394; OKLCH L 71.4% C 0.195 H 140.9°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#51BF3E
RGB	rgb(81, 191, 62)
HSL	hsl(111, 51%, 50%)
HSV	hsv(111, 68%, 75%)
CMYK	cmyk(57.6%, 0%, 67.5%, 25.1%)
CIE-LAB	lab(69.01, -55.33, 53.57)
CIE-LCH	lch(69.01, 77.01, 135.92°)
OKLab	oklab(71.44% -0.1513 0.123)
OKLCH	oklch(71.44% 0.195 140.9)
XYZ	xyz(22.8926, 39.3567, 10.9467)
Luminance	0.3936 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF3E #AC3EBF

analogous

#91BF3E #51BF3E #3EBF6C

triadic

#51BF3E #3E51BF #BF3E51

tetradic

#51BF3E #3E91BF #AC3EBF #BF6C3E

square

#51BF3E #3E91BF #AC3EBF #BF6C3E

split-complementary

#51BF3E #6C3EBF #BF3E91

monochromatic

#2A6320 #3D912F #51BF3E #7ACF6B #A3DE99

Accessibility & contrast

On white

2.37

#51BF3E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#51BF3E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF3E

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF3E	#FFFFFF	#000000	##000000
##51BF3E	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE2C

Deuteranopia (green-blind)

#B6A54A

Tritanopia (blue-blind)

#42B9A5

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51bf3e;
/* rgb */ color: rgb(81, 191, 62);
/* oklch */ color: oklch(71.4% 0.195 140.9);

Tailwind

colors: {
  custom: {
    50: '#8dd37a',
    500: '#51bf3e',
    950: '#000000',
  },
}

SCSS

$custom: #51bf3e;
$custom-light: #8dd37a;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf3e",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 62
  },
  "hsl": {
    "h": 111.163,
    "s": 50.988,
    "l": 49.608
  },
  "oklch": {
    "l": 0.71444,
    "c": 0.19499,
    "h": 140.9
  },
  "luminance": 0.39359
}

Semantic roles & 50–950 ramp

primary

#51BF3E

secondary

#C18FCA

accent

#4DDAC6

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BF3E

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

Preview Lab → · Contrast checker → · Palette generator →