#51AB71#51AB71

#51AB71 is a light, vivid green. Relative luminance 0.321; OKLCH L 67.0% C 0.123 H 153.3°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#51AB71
RGB	rgb(81, 171, 113)
HSL	hsl(141, 36%, 49%)
HSV	hsv(141, 53%, 67%)
CMYK	cmyk(52.6%, 0%, 33.9%, 32.9%)
CIE-LAB	lab(63.40, -40.27, 21.88)
CIE-LCH	lch(63.40, 45.83, 151.48°)
OKLab	oklab(67.05% -0.1096 0.0551)
OKLCH	oklch(67.05% 0.123 153.3)
XYZ	xyz(20.9353, 32.0656, 20.7056)
Luminance	0.3207 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AB71 #AB518B

analogous

#5EAB51 #51AB71 #51AB9E

triadic

#51AB71 #7151AB #AB7151

tetradic

#51AB71 #515EAB #AB518B #AB9E51

square

#51AB71 #515EAB #AB518B #AB9E51

split-complementary

#51AB71 #9E51AB #AB515E

monochromatic

#2A583A #3D8156 #51AB71 #79C092 #A3D3B4

Accessibility & contrast

On white

2.83

#51AB71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.41

#51AB71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AB71

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AB71	#FFFFFF	#000000	##000000
##51AB71	1.00	2.83	7.41	7.41
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.41	21.00	1.00	1.00
##000000	7.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9F6D

Deuteranopia (green-blind)

#9E9675

Tritanopia (blue-blind)

#3AA99C

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #51ab71;
/* rgb */ color: rgb(81, 171, 113);
/* oklch */ color: oklch(67.0% 0.123 153.3);

Tailwind

colors: {
  custom: {
    50: '#88c49a',
    500: '#51ab71',
    950: '#000000',
  },
}

SCSS

$custom: #51ab71;
$custom-light: #88c49a;
$custom-dark: #000000;

JSON

{
  "hex": "#51ab71",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 113
  },
  "hsl": {
    "h": 141.333,
    "s": 35.714,
    "l": 49.412
  },
  "oklch": {
    "l": 0.67047,
    "c": 0.12263,
    "h": 153.3
  },
  "luminance": 0.32067
}

Semantic roles & 50–950 ramp

primary

#51AB71

secondary

#C197B2

accent

#5CA4CC

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0C130E

muted

#7D827E

Preview Lab

Preview with #51AB71

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

Preview Lab → · Contrast checker → · Palette generator →