#51A136#51A136

#51A136 is a light, vivid green. Relative luminance 0.275; OKLCH L 63.5% C 0.163 H 138.8°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#51A136
RGB	rgb(81, 161, 54)
HSL	hsl(105, 50%, 42%)
HSV	hsv(105, 66%, 63%)
CMYK	cmyk(49.7%, 0%, 66.5%, 36.9%)
CIE-LAB	lab(59.44, -44.54, 46.60)
CIE-LCH	lch(59.44, 64.47, 133.70°)
OKLab	oklab(63.54% -0.1226 0.1073)
OKLCH	oklch(63.54% 0.163 138.8)
XYZ	xyz(16.8034, 27.5042, 7.9127)
Luminance	0.2751 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A136 #8636A1

analogous

#86A136 #51A136 #36A151

triadic

#51A136 #3651A1 #A13651

tetradic

#51A136 #3686A1 #8636A1 #A15136

square

#51A136 #3686A1 #8636A1 #A15136

split-complementary

#51A136 #5136A1 #A13686

monochromatic

#234517 #3A7327 #51A136 #6DC450 #93D47E

Accessibility & contrast

On white

3.23

#51A136 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#51A136 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A136

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A136	#FFFFFF	#000000	##000000
##51A136	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69328

Deuteranopia (green-blind)

#9B8D3F

Tritanopia (blue-blind)

#4A9C8B

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #51a136;
/* rgb */ color: rgb(81, 161, 54);
/* oklch */ color: oklch(63.5% 0.163 138.8);

Tailwind

colors: {
  custom: {
    50: '#89bd72',
    500: '#51a136',
    950: '#000000',
  },
}

SCSS

$custom: #51a136;
$custom-light: #89bd72;
$custom-dark: #000000;

JSON

{
  "hex": "#51a136",
  "rgb": {
    "r": 81,
    "g": 161,
    "b": 54
  },
  "hsl": {
    "h": 104.86,
    "s": 49.767,
    "l": 42.157
  },
  "oklch": {
    "l": 0.63542,
    "c": 0.16296,
    "h": 138.8
  },
  "luminance": 0.27505
}

Semantic roles & 50–950 ramp

primary

#51A136

secondary

#AB76BD

accent

#4FD9B6

background

#F8FBF7

surface

#F0F7ED

border

#CBD0C8

text

#0C1208

muted

#7D817B

Preview Lab

Preview with #51A136

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

Preview Lab → · Contrast checker → · Palette generator →