#51C648#51C648

#51C648 is a light, vivid green. Relative luminance 0.426; OKLCH L 73.3% C 0.196 H 142.1°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#51C648
RGB	rgb(81, 198, 72)
HSL	hsl(116, 53%, 53%)
HSV	hsv(116, 64%, 78%)
CMYK	cmyk(59.1%, 0%, 63.6%, 22.4%)
CIE-LAB	lab(71.28, -56.91, 51.89)
CIE-LCH	lch(71.28, 77.02, 137.65°)
OKLab	oklab(73.35% -0.1551 0.1205)
OKLCH	oklch(73.35% 0.196 142.1)
XYZ	xyz(24.7558, 42.6031, 13.0483)
Luminance	0.4260 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C648 #BD48C6

analogous

#90C648 #51C648 #48C67E

triadic

#51C648 #4851C6 #C64851

tetradic

#51C648 #4890C6 #BD48C6 #C67E48

square

#51C648 #4890C6 #BD48C6 #C67E48

split-complementary

#51C648 #7E48C6 #C64890

monochromatic

#297123 #399F32 #51C648 #7DD577 #AAE3A5

Accessibility & contrast

On white

2.21

#51C648 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#51C648 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C648

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C648	#FFFFFF	#000000	##000000
##51C648	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB539

Deuteranopia (green-blind)

#BCAB53

Tritanopia (blue-blind)

#3EC0AC

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51c648;
/* rgb */ color: rgb(81, 198, 72);
/* oklch */ color: oklch(73.3% 0.196 142.1);

Tailwind

colors: {
  custom: {
    50: '#8ed880',
    500: '#51c648',
    950: '#000000',
  },
}

SCSS

$custom: #51c648;
$custom-light: #8ed880;
$custom-dark: #000000;

JSON

{
  "hex": "#51c648",
  "rgb": {
    "r": 81,
    "g": 198,
    "b": 72
  },
  "hsl": {
    "h": 115.714,
    "s": 52.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.73349,
    "c": 0.1964,
    "h": 142.1
  },
  "luminance": 0.42605
}

Semantic roles & 50–950 ramp

primary

#51C648

secondary

#CC9AD0

accent

#4CDCD2

background

#F9FDF8

surface

#F2FAEF

border

#CCD3CA

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #51C648

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

Preview Lab → · Contrast checker → · Palette generator →