#51B560#51B560

#51B560 is a light, vivid green. Relative luminance 0.356; OKLCH L 69.3% C 0.154 H 146.7°. Best body text is #000000 at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#51B560
RGB	rgb(81, 181, 96)
HSL	hsl(129, 40%, 51%)
HSV	hsv(129, 55%, 71%)
CMYK	cmyk(55.2%, 0%, 47%, 29%)
CIE-LAB	lab(66.24, -47.38, 34.57)
CIE-LCH	lch(66.24, 58.65, 143.89°)
OKLab	oklab(69.29% -0.1283 0.0843)
OKLCH	oklch(69.29% 0.154 146.7)
XYZ	xyz(22.0272, 35.6397, 16.7824)
Luminance	0.3564 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B560 #B551A6

analogous

#74B551 #51B560 #51B592

triadic

#51B560 #6051B5 #B56051

tetradic

#51B560 #5174B5 #B551A6 #B59251

square

#51B560 #5174B5 #B551A6 #B59251

split-complementary

#51B560 #9251B5 #B55174

monochromatic

#2A6232 #3C8D48 #51B560 #7CC787 #A7DAAE

Accessibility & contrast

On white

2.58

#51B560 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.13

#51B560 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B560

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B560	#FFFFFF	#000000	##000000
##51B560	1.00	2.58	8.13	8.13
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.13	21.00	1.00	1.00
##000000	8.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A759

Deuteranopia (green-blind)

#AA9D66

Tritanopia (blue-blind)

#3DB1A1

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51b560;
/* rgb */ color: rgb(81, 181, 96);
/* oklch */ color: oklch(69.3% 0.154 146.7);

Tailwind

colors: {
  custom: {
    50: '#8acc8e',
    500: '#51b560',
    950: '#000000',
  },
}

SCSS

$custom: #51b560;
$custom-light: #8acc8e;
$custom-dark: #000000;

JSON

{
  "hex": "#51b560",
  "rgb": {
    "r": 81,
    "g": 181,
    "b": 96
  },
  "hsl": {
    "h": 129,
    "s": 40.323,
    "l": 51.373
  },
  "oklch": {
    "l": 0.69288,
    "c": 0.15357,
    "h": 146.7
  },
  "luminance": 0.35642
}

Semantic roles & 50–950 ramp

primary

#51B560

secondary

#C79BC0

accent

#58BED0

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C130C

muted

#7D827D

Preview Lab

Preview with #51B560

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

Preview Lab → · Contrast checker → · Palette generator →