#51BF64#51BF64

#51BF64 is a light, vivid green. Relative luminance 0.399; OKLCH L 71.9% C 0.164 H 147.1°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#51BF64
RGB	rgb(81, 191, 100)
HSL	hsl(130, 46%, 53%)
HSV	hsv(130, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 47.6%, 25.1%)
CIE-LAB	lab(69.42, -50.74, 36.54)
CIE-LCH	lch(69.42, 62.53, 144.24°)
OKLab	oklab(71.91% -0.1373 0.089)
OKLCH	oklch(71.91% 0.164 147.1)
XYZ	xyz(24.3228, 39.9288, 18.4794)
Luminance	0.3993 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF64 #BF51AC

analogous

#75BF51 #51BF64 #51BF9B

triadic

#51BF64 #6451BF #BF6451

tetradic

#51BF64 #5175BF #BF51AC #BF9B51

square

#51BF64 #5175BF #BF51AC #BF9B51

split-complementary

#51BF64 #9B51BF #BF5175

monochromatic

#286D34 #399A4A #51BF64 #7ECF8C #AAE0B4

Accessibility & contrast

On white

2.34

#51BF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.99

#51BF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF64

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF64	#FFFFFF	#000000	##000000
##51BF64	1.00	2.34	8.99	8.99
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.99	21.00	1.00	1.00
##000000	8.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1B05D

Deuteranopia (green-blind)

#B3A66A

Tritanopia (blue-blind)

#39BBA9

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51bf64;
/* rgb */ color: rgb(81, 191, 100);
/* oklch */ color: oklch(71.9% 0.164 147.1);

Tailwind

colors: {
  custom: {
    50: '#8cd392',
    500: '#51bf64',
    950: '#000000',
  },
}

SCSS

$custom: #51bf64;
$custom-light: #8cd392;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf64",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 100
  },
  "hsl": {
    "h": 130.364,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.71915,
    "c": 0.16364,
    "h": 147.1
  },
  "luminance": 0.39931
}

Semantic roles & 50–950 ramp

primary

#51BF64

secondary

#CE9EC5

accent

#52BFD6

background

#F9FDF9

surface

#F1FAF1

border

#CBD3CB

text

#0D140D

muted

#7E837E

Preview Lab

Preview with #51BF64

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

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