#509F27#509F27

#509F27 is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 62.8% C 0.171 H 137.3°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#509F27
RGB	rgb(80, 159, 39)
HSL	hsl(100, 61%, 39%)
HSV	hsv(100, 75%, 62%)
CMYK	cmyk(49.7%, 0%, 75.5%, 37.6%)
CIE-LAB	lab(58.65, -45.26, 51.69)
CIE-LCH	lch(58.65, 68.71, 131.20°)
OKLab	oklab(62.84% -0.1255 0.116)
OKLCH	oklch(62.84% 0.171 137.3)
XYZ	xyz(16.0721, 26.6471, 6.2156)
Luminance	0.2665 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509F27 #76279F

analogous

#8C9F27 #509F27 #279F3A

triadic

#509F27 #27509F #9F2750

tetradic

#509F27 #278C9F #76279F #9F3A27

square

#509F27 #278C9F #76279F #9F3A27

split-complementary

#509F27 #3A279F #9F278C

monochromatic

#1F3D0F #376E1B #509F27 #6ACE36 #8EDA67

Accessibility & contrast

On white

3.32

#509F27 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#509F27 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509F27

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509F27	#FFFFFF	#000000	##000000
##509F27	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4910E

Deuteranopia (green-blind)

#9A8B33

Tritanopia (blue-blind)

#4B9988

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #509f27;
/* rgb */ color: rgb(80, 159, 39);
/* oklch */ color: oklch(62.8% 0.171 137.3);

Tailwind

colors: {
  custom: {
    50: '#89bc6a',
    500: '#509f27',
    950: '#000000',
  },
}

SCSS

$custom: #509f27;
$custom-light: #89bc6a;
$custom-dark: #000000;

JSON

{
  "hex": "#509f27",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 39
  },
  "hsl": {
    "h": 99.5,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.62844,
    "c": 0.17091,
    "h": 137.3
  },
  "luminance": 0.26648
}

Semantic roles & 50–950 ramp

primary

#509F27

secondary

#A062C0

accent

#44E4AD

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #509F27

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

Preview Lab → · Contrast checker → · Palette generator →