#51BF40#51BF40

#51BF40 is a light, vivid green. Relative luminance 0.394; OKLCH L 71.5% C 0.194 H 141.1°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#51BF40
RGB	rgb(81, 191, 64)
HSL	hsl(112, 50%, 50%)
HSV	hsv(112, 66%, 75%)
CMYK	cmyk(57.6%, 0%, 66.5%, 25.1%)
CIE-LAB	lab(69.03, -55.14, 52.77)
CIE-LCH	lch(69.03, 76.32, 136.26°)
OKLab	oklab(71.46% -0.1507 0.1215)
OKLCH	oklch(71.46% 0.194 141.1)
XYZ	xyz(22.9485, 39.3791, 11.2411)
Luminance	0.3938 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF40 #AE40BF

analogous

#90BF40 #51BF40 #40BF6F

triadic

#51BF40 #4051BF #BF4051

tetradic

#51BF40 #4090BF #AE40BF #BF6F40

square

#51BF40 #4090BF #AE40BF #BF6F40

split-complementary

#51BF40 #6F40BF #BF4090

monochromatic

#2A6321 #3E9131 #51BF40 #7BCE6E #A5DE9C

Accessibility & contrast

On white

2.37

#51BF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#51BF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF40

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF40	#FFFFFF	#000000	##000000
##51BF40	1.00	2.37	8.88	8.88
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE2F

Deuteranopia (green-blind)

#B6A54B

Tritanopia (blue-blind)

#42B9A5

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51bf40;
/* rgb */ color: rgb(81, 191, 64);
/* oklch */ color: oklch(71.5% 0.194 141.1);

Tailwind

colors: {
  custom: {
    50: '#8dd37b',
    500: '#51bf40',
    950: '#000000',
  },
}

SCSS

$custom: #51bf40;
$custom-light: #8dd37b;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf40",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 64
  },
  "hsl": {
    "h": 111.969,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.71463,
    "c": 0.19361,
    "h": 141.1
  },
  "luminance": 0.39381
}

Semantic roles & 50–950 ramp

primary

#51BF40

secondary

#C291CA

accent

#4ED9C7

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51BF40

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

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