#51B080#51B080

#51B080 is a light, moderate green. Relative luminance 0.344; OKLCH L 68.7% C 0.116 H 159.1°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#51B080
RGB	rgb(81, 176, 128)
HSL	hsl(150, 38%, 50%)
HSV	hsv(150, 54%, 69%)
CMYK	cmyk(54%, 0%, 27.3%, 31%)
CIE-LAB	lab(65.24, -39.46, 16.24)
CIE-LCH	lch(65.24, 42.67, 157.63°)
OKLab	oklab(68.65% -0.1082 0.0414)
OKLCH	oklch(68.65% 0.116 159.1)
XYZ	xyz(22.8130, 34.3565, 25.8472)
Luminance	0.3436 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B080 #B05181

analogous

#52B051 #51B080 #51B0AF

triadic

#51B080 #8051B0 #B08051

tetradic

#51B080 #5152B0 #B05181 #B0AF51

square

#51B080 #5152B0 #B05181 #B0AF51

split-complementary

#51B080 #AF51B0 #B05152

monochromatic

#2A5D43 #3D8762 #51B080 #7BC39F #A5D6BD

Accessibility & contrast

On white

2.67

#51B080 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#51B080 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B080

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B080	#FFFFFF	#000000	##000000
##51B080	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEA47D

Deuteranopia (green-blind)

#A19A83

Tritanopia (blue-blind)

#32AFA3

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #51b080;
/* rgb */ color: rgb(81, 176, 128);
/* oklch */ color: oklch(68.7% 0.116 159.1);

Tailwind

colors: {
  custom: {
    50: '#89c8a5',
    500: '#51b080',
    950: '#000000',
  },
}

SCSS

$custom: #51b080;
$custom-light: #89c8a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51b080",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 128
  },
  "hsl": {
    "h": 149.684,
    "s": 37.549,
    "l": 50.392
  },
  "oklch": {
    "l": 0.68652,
    "c": 0.11588,
    "h": 159.1
  },
  "luminance": 0.34359
}

Semantic roles & 50–950 ramp

primary

#51B080

secondary

#C499AF

accent

#5A95CE

background

#F8FCFA

surface

#F0F8F4

border

#CBD1CE

text

#0C130F

muted

#7D827F

Preview Lab

Preview with #51B080

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

Preview Lab → · Contrast checker → · Palette generator →