#51A328#51A328

#51A328 is a light, vivid green. Relative luminance 0.281; OKLCH L 63.9% C 0.175 H 137.5°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#51A328
RGB	rgb(81, 163, 40)
HSL	hsl(100, 61%, 40%)
HSV	hsv(100, 75%, 64%)
CMYK	cmyk(50.3%, 0%, 75.5%, 36.1%)
CIE-LAB	lab(59.98, -46.47, 52.66)
CIE-LCH	lch(59.98, 70.23, 131.43°)
OKLab	oklab(63.95% -0.1288 0.1182)
OKLCH	oklch(63.95% 0.175 137.5)
XYZ	xyz(16.8730, 28.0957, 6.5410)
Luminance	0.2810 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A328 #7A28A3

analogous

#8FA328 #51A328 #28A33D

triadic

#51A328 #2851A3 #A32851

tetradic

#51A328 #288FA3 #7A28A3 #A33D28

square

#51A328 #288FA3 #7A28A3 #A33D28

split-complementary

#51A328 #3D28A3 #A3288F

monochromatic

#204110 #39721C #51A328 #6BCF3A #90DB6B

Accessibility & contrast

On white

3.17

#51A328 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#51A328 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A328

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A328	#FFFFFF	#000000	##000000
##51A328	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8950E

Deuteranopia (green-blind)

#9E8E35

Tritanopia (blue-blind)

#4C9D8B

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #51a328;
/* rgb */ color: rgb(81, 163, 40);
/* oklch */ color: oklch(63.9% 0.175 137.5);

Tailwind

colors: {
  custom: {
    50: '#8abf6b',
    500: '#51a328',
    950: '#000000',
  },
}

SCSS

$custom: #51a328;
$custom-light: #8abf6b;
$custom-dark: #000000;

JSON

{
  "hex": "#51a328",
  "rgb": {
    "r": 81,
    "g": 163,
    "b": 40
  },
  "hsl": {
    "h": 100,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.6395,
    "c": 0.17477,
    "h": 137.5
  },
  "luminance": 0.28097
}

Semantic roles & 50–950 ramp

primary

#51A328

secondary

#A366C1

accent

#44E4AF

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #51A328

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

Preview Lab → · Contrast checker → · Palette generator →