#51A573#51A573

#51A573 is a light, moderate green. Relative luminance 0.299; OKLCH L 65.6% C 0.112 H 155.5°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#51A573
RGB	rgb(81, 165, 115)
HSL	hsl(144, 34%, 48%)
HSV	hsv(144, 51%, 65%)
CMYK	cmyk(50.9%, 0%, 30.3%, 35.3%)
CIE-LAB	lab(61.56, -37.22, 18.30)
CIE-LCH	lch(61.56, 41.48, 153.83°)
OKLab	oklab(65.56% -0.1017 0.0464)
OKLCH	oklch(65.56% 0.112 155.5)
XYZ	xyz(19.9415, 29.8958, 20.9359)
Luminance	0.2990 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A573 #A55183

analogous

#59A551 #51A573 #51A59D

triadic

#51A573 #7351A5 #A57351

tetradic

#51A573 #5159A5 #A55183 #A59D51

square

#51A573 #5159A5 #A55183 #A59D51

split-complementary

#51A573 #9D51A5 #A55159

monochromatic

#29533A #3D7C56 #51A573 #77BC93 #A0D0B4

Accessibility & contrast

On white

3.01

#51A573 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#51A573 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A573

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A573	#FFFFFF	#000000	##000000
##51A573	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49A70

Deuteranopia (green-blind)

#989176

Tritanopia (blue-blind)

#3BA498

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #51a573;
/* rgb */ color: rgb(81, 165, 115);
/* oklch */ color: oklch(65.6% 0.112 155.5);

Tailwind

colors: {
  custom: {
    50: '#88c09b',
    500: '#51a573',
    950: '#000000',
  },
}

SCSS

$custom: #51a573;
$custom-light: #88c09b;
$custom-dark: #000000;

JSON

{
  "hex": "#51a573",
  "rgb": {
    "r": 81,
    "g": 165,
    "b": 115
  },
  "hsl": {
    "h": 144.286,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65563,
    "c": 0.11175,
    "h": 155.5
  },
  "luminance": 0.29897
}

Semantic roles & 50–950 ramp

primary

#51A573

secondary

#BD94AD

accent

#5E9ECA

background

#F8FBF9

surface

#F0F7F2

border

#CBD0CC

text

#0C120E

muted

#7D817E

Preview Lab

Preview with #51A573

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

Preview Lab → · Contrast checker → · Palette generator →