#51CB8B#51CB8B

#51CB8B is a light, vivid green. Relative luminance 0.463; OKLCH L 75.7% C 0.144 H 157.2°. Best body text is #000000 at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#51CB8B
RGB	rgb(81, 203, 139)
HSL	hsl(149, 54%, 56%)
HSV	hsv(149, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 31.5%, 20.4%)
CIE-LAB	lab(73.75, -48.70, 22.04)
CIE-LCH	lch(73.75, 53.45, 155.65°)
OKLab	oklab(75.68% -0.1326 0.0558)
OKLCH	oklch(75.68% 0.144 157.2)
XYZ	xyz(29.4069, 46.3224, 31.8125)
Luminance	0.4632 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB8B #CB5191

analogous

#54CB51 #51CB8B #51CBC8

triadic

#51CB8B #8B51CB #CB8B51

tetradic

#51CB8B #5154CB #CB5191 #CBC851

square

#51CB8B #5154CB #CB5191 #CBC851

split-complementary

#51CB8B #C851CB #CB5154

monochromatic

#257C4F #33AC6C #51CB8B #80D9AA #AFE7CA

Accessibility & contrast

On white

2.05

#51CB8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.26

#51CB8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB8B

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB8B	#FFFFFF	#000000	##000000
##51CB8B	1.00	2.05	10.26	10.26
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.26	21.00	1.00	1.00
##000000	10.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CABC87

Deuteranopia (green-blind)

#B9B18F

Tritanopia (blue-blind)

#1CCABA

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51cb8b;
/* rgb */ color: rgb(81, 203, 139);
/* oklch */ color: oklch(75.7% 0.144 157.2);

Tailwind

colors: {
  custom: {
    50: '#8ddcad',
    500: '#51cb8b',
    950: '#000000',
  },
}

SCSS

$custom: #51cb8b;
$custom-light: #8ddcad;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb8b",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 139
  },
  "hsl": {
    "h": 148.525,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.75682,
    "c": 0.14387,
    "h": 157.2
  },
  "luminance": 0.46325
}

Semantic roles & 50–950 ramp

primary

#51CB8B

secondary

#D5A3BD

accent

#4A98DD

background

#F9FDFA

surface

#F1FBF4

border

#CBD4CE

text

#0D1510

muted

#7E837F

Preview Lab

Preview with #51CB8B

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

Preview Lab → · Contrast checker → · Palette generator →