#51AC27#51AC27

#51AC27 is a light, vivid green. Relative luminance 0.314; OKLCH L 66.3% C 0.186 H 138.0°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#51AC27
RGB	rgb(81, 172, 39)
HSL	hsl(101, 63%, 41%)
HSV	hsv(101, 77%, 67%)
CMYK	cmyk(52.9%, 0%, 77.3%, 32.5%)
CIE-LAB	lab(62.84, -50.02, 55.80)
CIE-LCH	lch(62.84, 74.94, 131.87°)
OKLab	oklab(66.31% -0.1384 0.1246)
OKLCH	oklch(66.31% 0.186 138)
XYZ	xyz(18.5114, 31.3994, 7.0043)
Luminance	0.3140 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AC27 #8227AC

analogous

#94AC27 #51AC27 #27AC40

triadic

#51AC27 #2751AC #AC2751

tetradic

#51AC27 #2794AC #8227AC #AC4027

square

#51AC27 #2794AC #8227AC #AC4027

split-complementary

#51AC27 #4027AC #AC2794

monochromatic

#224810 #3A7A1C #51AC27 #6CD33D #92DE6F

Accessibility & contrast

On white

2.88

#51AC27 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#51AC27 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AC27

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AC27	#FFFFFF	#000000	##000000
##51AC27	1.00	2.88	7.28	7.28
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.28	21.00	1.00	1.00
##000000	7.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D04

Deuteranopia (green-blind)

#A69536

Tritanopia (blue-blind)

#4AA693

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #51ac27;
/* rgb */ color: rgb(81, 172, 39);
/* oklch */ color: oklch(66.3% 0.186 138.0);

Tailwind

colors: {
  custom: {
    50: '#8bc56c',
    500: '#51ac27',
    950: '#000000',
  },
}

SCSS

$custom: #51ac27;
$custom-light: #8bc56c;
$custom-dark: #000000;

JSON

{
  "hex": "#51ac27",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 39
  },
  "hsl": {
    "h": 101.053,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.6631,
    "c": 0.18619,
    "h": 138
  },
  "luminance": 0.31401
}

Semantic roles & 50–950 ramp

primary

#51AC27

secondary

#A86AC5

accent

#42E6B2

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51AC27

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

Preview Lab → · Contrast checker → · Palette generator →