#51BF68#51BF68

#51BF68 is a light, vivid green. Relative luminance 0.400; OKLCH L 72.0% C 0.160 H 148.0°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#51BF68
RGB	rgb(81, 191, 104)
HSL	hsl(133, 46%, 53%)
HSV	hsv(133, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 45.5%, 25.1%)
CIE-LAB	lab(69.48, -50.13, 34.59)
CIE-LCH	lch(69.48, 60.90, 145.39°)
OKLab	oklab(71.98% -0.1356 0.0847)
OKLCH	oklch(71.98% 0.16 148)
XYZ	xyz(24.5212, 40.0082, 19.5241)
Luminance	0.4001 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF68 #BF51A8

analogous

#71BF51 #51BF68 #51BF9F

triadic

#51BF68 #6851BF #BF6851

tetradic

#51BF68 #5171BF #BF51A8 #BF9F51

square

#51BF68 #5171BF #BF51A8 #BF9F51

split-complementary

#51BF68 #9F51BF #BF5171

monochromatic

#286D37 #399A4D #51BF68 #7ECF8F #AAE0B6

Accessibility & contrast

On white

2.33

#51BF68 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.00

#51BF68 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF68

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF68	#FFFFFF	#000000	##000000
##51BF68	1.00	2.33	9.00	9.00
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.00	21.00	1.00	1.00
##000000	9.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1B061

Deuteranopia (green-blind)

#B2A66E

Tritanopia (blue-blind)

#37BBAA

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51bf68;
/* rgb */ color: rgb(81, 191, 104);
/* oklch */ color: oklch(72.0% 0.160 148.0);

Tailwind

colors: {
  custom: {
    50: '#8bd394',
    500: '#51bf68',
    950: '#000000',
  },
}

SCSS

$custom: #51bf68;
$custom-light: #8bd394;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf68",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 104
  },
  "hsl": {
    "h": 132.545,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.71979,
    "c": 0.1599,
    "h": 148
  },
  "luminance": 0.4001
}

Semantic roles & 50–950 ramp

primary

#51BF68

secondary

#CE9EC4

accent

#52BAD6

background

#F9FDF9

surface

#F1FAF1

border

#CBD3CB

text

#0D140D

muted

#7E837E

Preview Lab

Preview with #51BF68

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

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