#51AC25#51AC25

#51AC25 is a light, vivid green. Relative luminance 0.314; OKLCH L 66.3% C 0.187 H 137.9°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#51AC25
RGB	rgb(81, 172, 37)
HSL	hsl(100, 65%, 41%)
HSV	hsv(100, 78%, 67%)
CMYK	cmyk(52.9%, 0%, 78.5%, 32.5%)
CIE-LAB	lab(62.83, -50.14, 56.44)
CIE-LCH	lch(62.83, 75.49, 131.62°)
OKLab	oklab(66.3% -0.1388 0.1256)
OKLCH	oklch(66.3% 0.187 137.9)
XYZ	xyz(18.4792, 31.3865, 6.8343)
Luminance	0.3139 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AC25 #8025AC

analogous

#94AC25 #51AC25 #25AC3C

triadic

#51AC25 #2551AC #AC2551

tetradic

#51AC25 #2594AC #8025AC #AC3C25

square

#51AC25 #2594AC #8025AC #AC3C25

split-complementary

#51AC25 #3C25AC #AC2594

monochromatic

#22470F #397A1A #51AC25 #6CD53A #92DF6C

Accessibility & contrast

On white

2.89

#51AC25 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#51AC25 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AC25

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AC25	#FFFFFF	#000000	##000000
##51AC25	1.00	2.89	7.28	7.28
#FFFFFF	2.89	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)

#B29D00

Deuteranopia (green-blind)

#A69534

Tritanopia (blue-blind)

#4AA693

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #51ac25;
/* rgb */ color: rgb(81, 172, 37);
/* oklch */ color: oklch(66.3% 0.187 137.9);

Tailwind

colors: {
  custom: {
    50: '#8bc56b',
    500: '#51ac25',
    950: '#000000',
  },
}

SCSS

$custom: #51ac25;
$custom-light: #8bc56b;
$custom-dark: #000000;

JSON

{
  "hex": "#51ac25",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 37
  },
  "hsl": {
    "h": 100.444,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66298,
    "c": 0.18721,
    "h": 137.9
  },
  "luminance": 0.31388
}

Semantic roles & 50–950 ramp

primary

#51AC25

secondary

#A767C6

accent

#40E8B1

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51AC25

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

Preview Lab → · Contrast checker → · Palette generator →