#51BC28#51BC28

#51BC28 is a light, highly saturated green. Relative luminance 0.379; OKLCH L 70.5% C 0.204 H 138.9°. Best body text is #000000 at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#51BC28
RGB	rgb(81, 188, 40)
HSL	hsl(103, 65%, 45%)
HSV	hsv(103, 79%, 74%)
CMYK	cmyk(56.9%, 0%, 78.7%, 26.3%)
CIE-LAB	lab(67.92, -55.87, 60.34)
CIE-LCH	lch(67.92, 82.23, 132.80°)
OKLab	oklab(70.5% -0.154 0.1342)
OKLCH	oklch(70.5% 0.204 138.9)
XYZ	xyz(21.7587, 37.8671, 8.1695)
Luminance	0.3787 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC28 #9328BC

analogous

#9BBC28 #51BC28 #28BC49

triadic

#51BC28 #2851BC #BC2851

tetradic

#51BC28 #289BBC #9328BC #BC4928

square

#51BC28 #289BBC #9328BC #BC4928

split-complementary

#51BC28 #4928BC #BC289B

monochromatic

#265713 #3B8A1D #51BC28 #71D849 #98E37B

Accessibility & contrast

On white

2.45

#51BC28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.57

#51BC28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC28

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC28	#FFFFFF	#000000	##000000
##51BC28	1.00	2.45	8.57	8.57
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.57	21.00	1.00	1.00
##000000	8.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB00

Deuteranopia (green-blind)

#B4A239

Tritanopia (blue-blind)

#46B5A1

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51bc28;
/* rgb */ color: rgb(81, 188, 40);
/* oklch */ color: oklch(70.5% 0.204 138.9);

Tailwind

colors: {
  custom: {
    50: '#8ed16e',
    500: '#51bc28',
    950: '#000000',
  },
}

SCSS

$custom: #51bc28;
$custom-light: #8ed16e;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc28",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 40
  },
  "hsl": {
    "h": 103.378,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.70502,
    "c": 0.20431,
    "h": 138.9
  },
  "luminance": 0.37869
}

Semantic roles & 50–950 ramp

primary

#51BC28

secondary

#B375CB

accent

#40E8B9

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51BC28

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

Preview Lab → · Contrast checker → · Palette generator →