#51C987#51C987

#51C987 is a light, vivid green. Relative luminance 0.453; OKLCH L 75.1% C 0.145 H 156.1°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#51C987
RGB	rgb(81, 201, 135)
HSL	hsl(147, 53%, 55%)
HSV	hsv(147, 60%, 79%)
CMYK	cmyk(59.7%, 0%, 32.8%, 21.2%)
CIE-LAB	lab(73.07, -48.67, 23.22)
CIE-LCH	lch(73.07, 53.92, 154.50°)
OKLab	oklab(75.1% -0.1323 0.0586)
OKLCH	oklch(75.1% 0.145 156.1)
XYZ	xyz(28.6507, 45.2691, 30.1449)
Luminance	0.4527 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C987 #C95193

analogous

#57C951 #51C987 #51C9C3

triadic

#51C987 #8751C9 #C98751

tetradic

#51C987 #5157C9 #C95193 #C9C351

square

#51C987 #5157C9 #C95193 #C9C351

split-complementary

#51C987 #C351C9 #C95157

monochromatic

#267A4C #34A969 #51C987 #80D7A7 #AEE6C7

Accessibility & contrast

On white

2.09

#51C987 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#51C987 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C987

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C987	#FFFFFF	#000000	##000000
##51C987	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8BA83

Deuteranopia (green-blind)

#B8AF8B

Tritanopia (blue-blind)

#21C7B8

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51c987;
/* rgb */ color: rgb(81, 201, 135);
/* oklch */ color: oklch(75.1% 0.145 156.1);

Tailwind

colors: {
  custom: {
    50: '#8ddaaa',
    500: '#51c987',
    950: '#000000',
  },
}

SCSS

$custom: #51c987;
$custom-light: #8ddaaa;
$custom-dark: #000000;

JSON

{
  "hex": "#51c987",
  "rgb": {
    "r": 81,
    "g": 201,
    "b": 135
  },
  "hsl": {
    "h": 147,
    "s": 52.632,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75096,
    "c": 0.14473,
    "h": 156.1
  },
  "luminance": 0.45272
}

Semantic roles & 50–950 ramp

primary

#51C987

secondary

#D4A2BD

accent

#4C9BDC

background

#F9FDFA

surface

#F1FBF4

border

#CBD4CE

text

#0D1510

muted

#7E837F

Preview Lab

Preview with #51C987

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

Preview Lab → · Contrast checker → · Palette generator →