#51CB80#51CB80

#51CB80 is a light, vivid green. Relative luminance 0.460; OKLCH L 75.5% C 0.154 H 153.4°. Best body text is #000000 at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#51CB80
RGB	rgb(81, 203, 128)
HSL	hsl(143, 54%, 56%)
HSV	hsv(143, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 36.9%, 20.4%)
CIE-LAB	lab(73.56, -50.80, 27.54)
CIE-LCH	lch(73.56, 57.78, 151.53°)
OKLab	oklab(75.46% -0.1376 0.0689)
OKLCH	oklch(75.46% 0.154 153.4)
XYZ	xyz(28.6432, 46.0169, 27.7906)
Luminance	0.4602 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB80 #CB519C

analogous

#5FCB51 #51CB80 #51CBBD

triadic

#51CB80 #8051CB #CB8051

tetradic

#51CB80 #515FCB #CB519C #CBBD51

square

#51CB80 #515FCB #CB519C #CBBD51

split-complementary

#51CB80 #BD51CB #CB515F

monochromatic

#257C47 #33AC62 #51CB80 #80D9A2 #AFE7C5

Accessibility & contrast

On white

2.06

#51CB80 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.20

#51CB80 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB80

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB80	#FFFFFF	#000000	##000000
##51CB80	1.00	2.06	10.20	10.20
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.20	21.00	1.00	1.00
##000000	10.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBBC7B

Deuteranopia (green-blind)

#BBB085

Tritanopia (blue-blind)

#25C9B8

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51cb80;
/* rgb */ color: rgb(81, 203, 128);
/* oklch */ color: oklch(75.5% 0.154 153.4);

Tailwind

colors: {
  custom: {
    50: '#8ddca5',
    500: '#51cb80',
    950: '#000000',
  },
}

SCSS

$custom: #51cb80;
$custom-light: #8ddca5;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb80",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 128
  },
  "hsl": {
    "h": 143.115,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.75455,
    "c": 0.15392,
    "h": 153.4
  },
  "luminance": 0.4602
}

Semantic roles & 50–950 ramp

primary

#51CB80

secondary

#D5A3C2

accent

#4AA5DD

background

#F9FDFA

surface

#F1FBF4

border

#CBD4CE

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51CB80

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

Preview Lab → · Contrast checker → · Palette generator →