#51B87F#51B87F

#51B87F is a light, vivid green. Relative luminance 0.376; OKLCH L 70.6% C 0.128 H 156.6°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#51B87F
RGB	rgb(81, 184, 127)
HSL	hsl(147, 42%, 52%)
HSV	hsv(147, 56%, 72%)
CMYK	cmyk(56%, 0%, 31%, 27.8%)
CIE-LAB	lab(67.70, -43.14, 20.16)
CIE-LCH	lch(67.70, 47.62, 154.96°)
OKLab	oklab(70.65% -0.1177 0.051)
OKLCH	oklch(70.65% 0.128 156.6)
XYZ	xyz(24.3626, 37.5604, 26.0406)
Luminance	0.3756 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B87F #B8518A

analogous

#57B851 #51B87F #51B8B3

triadic

#51B87F #7F51B8 #B87F51

tetradic

#51B87F #5157B8 #B8518A #B8B351

square

#51B87F #5157B8 #B8518A #B8B351

split-complementary

#51B87F #B351B8 #B85157

monochromatic

#296544 #3B9161 #51B87F #7CCA9F #A8DBBF

Accessibility & contrast

On white

2.47

#51B87F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.51

#51B87F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B87F

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B87F	#FFFFFF	#000000	##000000
##51B87F	1.00	2.47	8.51	8.51
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.51	21.00	1.00	1.00
##000000	8.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7AB7C

Deuteranopia (green-blind)

#A9A183

Tritanopia (blue-blind)

#2FB7A9

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51b87f;
/* rgb */ color: rgb(81, 184, 127);
/* oklch */ color: oklch(70.6% 0.128 156.6);

Tailwind

colors: {
  custom: {
    50: '#8acea4',
    500: '#51b87f',
    950: '#000000',
  },
}

SCSS

$custom: #51b87f;
$custom-light: #8acea4;
$custom-dark: #000000;

JSON

{
  "hex": "#51b87f",
  "rgb": {
    "r": 81,
    "g": 184,
    "b": 127
  },
  "hsl": {
    "h": 146.796,
    "s": 42.041,
    "l": 51.961
  },
  "oklch": {
    "l": 0.70647,
    "c": 0.12826,
    "h": 156.6
  },
  "luminance": 0.37563
}

Semantic roles & 50–950 ramp

primary

#51B87F

secondary

#C99CB5

accent

#569BD2

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C140F

muted

#7D827F

Preview Lab

Preview with #51B87F

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

Preview Lab → · Contrast checker → · Palette generator →