#51A331#51A331

#51A331 is a light, vivid green. Relative luminance 0.282; OKLCH L 64.0% C 0.169 H 138.3°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#51A331
RGB	rgb(81, 163, 49)
HSL	hsl(103, 54%, 42%)
HSV	hsv(103, 70%, 64%)
CMYK	cmyk(50.3%, 0%, 69.9%, 36.1%)
CIE-LAB	lab(60.04, -45.79, 49.32)
CIE-LCH	lch(60.04, 67.30, 132.87°)
OKLab	oklab(64.02% -0.1263 0.1124)
OKLCH	oklch(64.02% 0.169 138.3)
XYZ	xyz(17.0443, 28.1642, 7.4432)
Luminance	0.2817 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A331 #8331A3

analogous

#8AA331 #51A331 #31A34A

triadic

#51A331 #3151A3 #A33151

tetradic

#51A331 #318AA3 #8331A3 #A34A31

square

#51A331 #318AA3 #8331A3 #A34A31

split-complementary

#51A331 #4A31A3 #A3318A

monochromatic

#224515 #3A7423 #51A331 #6DC849 #92D678

Accessibility & contrast

On white

3.17

#51A331 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#51A331 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A331

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A331	#FFFFFF	#000000	##000000
##51A331	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A89520

Deuteranopia (green-blind)

#9D8E3C

Tritanopia (blue-blind)

#4B9D8C

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #51a331;
/* rgb */ color: rgb(81, 163, 49);
/* oklch */ color: oklch(64.0% 0.169 138.3);

Tailwind

colors: {
  custom: {
    50: '#89bf6f',
    500: '#51a331',
    950: '#000000',
  },
}

SCSS

$custom: #51a331;
$custom-light: #89bf6f;
$custom-dark: #000000;

JSON

{
  "hex": "#51a331",
  "rgb": {
    "r": 81,
    "g": 163,
    "b": 49
  },
  "hsl": {
    "h": 103.158,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.64021,
    "c": 0.16911,
    "h": 138.3
  },
  "luminance": 0.28165
}

Semantic roles & 50–950 ramp

primary

#51A331

secondary

#A971BF

accent

#4BDDB4

background

#F8FBF7

surface

#F0F7ED

border

#CBD0C8

text

#0C1208

muted

#7D817B

Preview Lab

Preview with #51A331

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

Preview Lab → · Contrast checker → · Palette generator →