#51A327#51A327

#51A327 is a light, vivid yellow-green. Relative luminance 0.281; OKLCH L 63.9% C 0.175 H 137.4°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#51A327
RGB	rgb(81, 163, 39)
HSL	hsl(100, 61%, 40%)
HSV	hsv(100, 76%, 64%)
CMYK	cmyk(50.3%, 0%, 76.1%, 36.1%)
CIE-LAB	lab(59.97, -46.54, 53.01)
CIE-LCH	lch(59.97, 70.54, 131.28°)
OKLab	oklab(63.94% -0.129 0.1187)
OKLCH	oklch(63.94% 0.175 137.4)
XYZ	xyz(16.8562, 28.0890, 6.4526)
Luminance	0.2809 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A327 #7927A3

analogous

#8FA327 #51A327 #27A33B

triadic

#51A327 #2751A3 #A32751

tetradic

#51A327 #278FA3 #7927A3 #A33B27

square

#51A327 #278FA3 #7927A3 #A33B27

split-complementary

#51A327 #3B27A3 #A3278F

monochromatic

#20400F #38721B #51A327 #6BCF38 #90DB69

Accessibility & contrast

On white

3.17

#51A327 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#51A327 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A327

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A327	#FFFFFF	#000000	##000000
##51A327	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)

#A8950B

Deuteranopia (green-blind)

#9E8E34

Tritanopia (blue-blind)

#4C9D8B

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #51a327;
/* rgb */ color: rgb(81, 163, 39);
/* oklch */ color: oklch(63.9% 0.175 137.4);

Tailwind

colors: {
  custom: {
    50: '#8abf6a',
    500: '#51a327',
    950: '#000000',
  },
}

SCSS

$custom: #51a327;
$custom-light: #8abf6a;
$custom-dark: #000000;

JSON

{
  "hex": "#51a327",
  "rgb": {
    "r": 81,
    "g": 163,
    "b": 39
  },
  "hsl": {
    "h": 99.677,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.63943,
    "c": 0.17533,
    "h": 137.4
  },
  "luminance": 0.2809
}

Semantic roles & 50–950 ramp

primary

#51A327

secondary

#A264C1

accent

#43E4AE

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #51A327

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

Preview Lab → · Contrast checker → · Palette generator →