#51C656#51C656

#51C656 is a light, vivid green. Relative luminance 0.428; OKLCH L 73.5% C 0.185 H 144.1°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#51C656
RGB	rgb(81, 198, 86)
HSL	hsl(123, 51%, 55%)
HSV	hsv(123, 59%, 78%)
CMYK	cmyk(59.1%, 0%, 56.6%, 22.4%)
CIE-LAB	lab(71.42, -55.34, 45.78)
CIE-LCH	lch(71.42, 71.82, 140.40°)
OKLab	oklab(73.51% -0.1501 0.1087)
OKLCH	oklch(73.51% 0.185 144.1)
XYZ	xyz(25.2657, 42.8071, 15.7334)
Luminance	0.4281 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C656 #C651C1

analogous

#87C651 #51C656 #51C691

triadic

#51C656 #5651C6 #C65651

tetradic

#51C656 #5187C6 #C651C1 #C69151

square

#51C656 #5187C6 #C651C1 #C69151

split-complementary

#51C656 #9151C6 #C65187

monochromatic

#27762A #36A43A #51C656 #7FD583 #ADE4B0

Accessibility & contrast

On white

2.20

#51C656 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#51C656 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C656

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C656	#FFFFFF	#000000	##000000
##51C656	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB54B

Deuteranopia (green-blind)

#BBAB5F

Tritanopia (blue-blind)

#3BC1AD

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51c656;
/* rgb */ color: rgb(81, 198, 86);
/* oklch */ color: oklch(73.5% 0.185 144.1);

Tailwind

colors: {
  custom: {
    50: '#8dd889',
    500: '#51c656',
    950: '#000000',
  },
}

SCSS

$custom: #51c656;
$custom-light: #8dd889;
$custom-dark: #000000;

JSON

{
  "hex": "#51c656",
  "rgb": {
    "r": 81,
    "g": 198,
    "b": 86
  },
  "hsl": {
    "h": 122.564,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.73509,
    "c": 0.18532,
    "h": 144.1
  },
  "luminance": 0.42809
}

Semantic roles & 50–950 ramp

primary

#51C656

secondary

#D2A1D0

accent

#4ED4DA

background

#F9FDF8

surface

#F1FAF0

border

#CBD3CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51C656

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

Preview Lab → · Contrast checker → · Palette generator →