#51CB77#51CB77

#51CB77 is a light, vivid green. Relative luminance 0.458; OKLCH L 75.3% C 0.162 H 150.8°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#51CB77
RGB	rgb(81, 203, 119)
HSL	hsl(139, 54%, 56%)
HSV	hsv(139, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 41.4%, 20.4%)
CIE-LAB	lab(73.41, -52.39, 32.00)
CIE-LCH	lch(73.41, 61.39, 148.58°)
OKLab	oklab(75.29% -0.1416 0.0792)
OKLCH	oklch(75.29% 0.162 150.8)
XYZ	xyz(28.0769, 45.7904, 24.8080)
Luminance	0.4579 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB77 #CB51A5

analogous

#68CB51 #51CB77 #51CBB4

triadic

#51CB77 #7751CB #CB7751

tetradic

#51CB77 #5168CB #CB51A5 #CBB451

square

#51CB77 #5168CB #CB51A5 #CBB451

split-complementary

#51CB77 #B451CB #CB5168

monochromatic

#257C40 #33AC59 #51CB77 #80D99C #AFE7C1

Accessibility & contrast

On white

2.07

#51CB77 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.16

#51CB77 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB77

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB77	#FFFFFF	#000000	##000000
##51CB77	1.00	2.07	10.16	10.16
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.16	21.00	1.00	1.00
##000000	10.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCBB71

Deuteranopia (green-blind)

#BCB07D

Tritanopia (blue-blind)

#2BC8B6

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51cb77;
/* rgb */ color: rgb(81, 203, 119);
/* oklch */ color: oklch(75.3% 0.162 150.8);

Tailwind

colors: {
  custom: {
    50: '#8ddc9f',
    500: '#51cb77',
    950: '#000000',
  },
}

SCSS

$custom: #51cb77;
$custom-light: #8ddc9f;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb77",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 119
  },
  "hsl": {
    "h": 138.689,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.75286,
    "c": 0.1623,
    "h": 150.8
  },
  "luminance": 0.45793
}

Semantic roles & 50–950 ramp

primary

#51CB77

secondary

#D5A3C5

accent

#4AB0DD

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #51CB77

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

Preview Lab → · Contrast checker → · Palette generator →