#51CD8B#51CD8B

#51CD8B is a light, vivid green. Relative luminance 0.473; OKLCH L 76.2% C 0.147 H 156.8°. Best body text is #000000 at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#51CD8B
RGB	rgb(81, 205, 139)
HSL	hsl(148, 55%, 56%)
HSV	hsv(148, 60%, 80%)
CMYK	cmyk(60.5%, 0%, 32.2%, 19.6%)
CIE-LAB	lab(74.36, -49.51, 22.87)
CIE-LCH	lch(74.36, 54.54, 155.21°)
OKLab	oklab(76.18% -0.1347 0.0578)
OKLCH	oklch(76.18% 0.147 156.8)
XYZ	xyz(29.8823, 47.2731, 31.9709)
Luminance	0.4728 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CD8B #CD5193

analogous

#55CD51 #51CD8B #51CDC9

triadic

#51CD8B #8B51CD #CD8B51

tetradic

#51CD8B #5155CD #CD5193 #CDC951

square

#51CD8B #5155CD #CD5193 #CDC951

split-complementary

#51CD8B #C951CD #CD5155

monochromatic

#257F4F #32AF6C #51CD8B #81DBAB #B0E8CA

Accessibility & contrast

On white

2.01

#51CD8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.46

#51CD8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD8B

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CD8B	#FFFFFF	#000000	##000000
##51CD8B	1.00	2.01	10.46	10.46
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.46	21.00	1.00	1.00
##000000	10.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCBE87

Deuteranopia (green-blind)

#BBB28F

Tritanopia (blue-blind)

#1ACBBC

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51cd8b;
/* rgb */ color: rgb(81, 205, 139);
/* oklch */ color: oklch(76.2% 0.147 156.8);

Tailwind

colors: {
  custom: {
    50: '#8dddad',
    500: '#51cd8b',
    950: '#000000',
  },
}

SCSS

$custom: #51cd8b;
$custom-light: #8dddad;
$custom-dark: #000000;

JSON

{
  "hex": "#51cd8b",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 139
  },
  "hsl": {
    "h": 148.065,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.76182,
    "c": 0.1466,
    "h": 156.8
  },
  "luminance": 0.47276
}

Semantic roles & 50–950 ramp

primary

#51CD8B

secondary

#D7A3BF

accent

#4999DF

background

#F9FDFA

surface

#F1FBF4

border

#CBD4CE

text

#0D1510

muted

#7E837F

Preview Lab

Preview with #51CD8B

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

Preview Lab → · Contrast checker → · Palette generator →