#51BB80#51BB80

#51BB80 is a light, vivid green. Relative luminance 0.388; OKLCH L 71.4% C 0.132 H 156.3°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#51BB80
RGB	rgb(81, 187, 128)
HSL	hsl(147, 44%, 53%)
HSV	hsv(147, 57%, 73%)
CMYK	cmyk(56.7%, 0%, 31.6%, 26.7%)
CIE-LAB	lab(68.64, -44.22, 20.91)
CIE-LCH	lch(68.64, 48.91, 154.69°)
OKLab	oklab(71.43% -0.1205 0.0529)
OKLCH	oklch(71.43% 0.132 156.3)
XYZ	xyz(25.0579, 38.8462, 26.5954)
Luminance	0.3885 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB80 #BB518C

analogous

#57BB51 #51BB80 #51BBB5

triadic

#51BB80 #8051BB #BB8051

tetradic

#51BB80 #5157BB #BB518C #BBB551

square

#51BB80 #5157BB #BB518C #BBB551

split-complementary

#51BB80 #B551BB #BB5157

monochromatic

#296945 #3A9562 #51BB80 #7DCCA0 #A9DDC0

Accessibility & contrast

On white

2.39

#51BB80 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#51BB80 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB80

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB80	#FFFFFF	#000000	##000000
##51BB80	1.00	2.39	8.77	8.77
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAAE7C

Deuteranopia (green-blind)

#ABA384

Tritanopia (blue-blind)

#2DB9AB

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51bb80;
/* rgb */ color: rgb(81, 187, 128);
/* oklch */ color: oklch(71.4% 0.132 156.3);

Tailwind

colors: {
  custom: {
    50: '#8bd0a5',
    500: '#51bb80',
    950: '#000000',
  },
}

SCSS

$custom: #51bb80;
$custom-light: #8bd0a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb80",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 128
  },
  "hsl": {
    "h": 146.604,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.71426,
    "c": 0.13161,
    "h": 156.3
  },
  "luminance": 0.38848
}

Semantic roles & 50–950 ramp

primary

#51BB80

secondary

#CB9DB7

accent

#549BD4

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0D140F

muted

#7D827F

Preview Lab

Preview with #51BB80

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

Preview Lab → · Contrast checker → · Palette generator →