#509F1F#509F1F

#509F1F is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 62.8% C 0.175 H 136.6°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#509F1F
RGB	rgb(80, 159, 31)
HSL	hsl(97, 67%, 37%)
HSV	hsv(97, 81%, 62%)
CMYK	cmyk(49.7%, 0%, 80.5%, 37.6%)
CIE-LAB	lab(58.60, -45.75, 54.29)
CIE-LCH	lch(58.60, 71.00, 130.12°)
OKLab	oklab(62.79% -0.1273 0.1203)
OKLCH	oklch(62.79% 0.175 136.6)
XYZ	xyz(15.9533, 26.5996, 5.5896)
Luminance	0.2660 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509F1F #6E1F9F

analogous

#909F1F #509F1F #1F9F2E

triadic

#509F1F #1F509F #9F1F50

tetradic

#509F1F #1F909F #6E1F9F #9F2E1F

square

#509F1F #1F909F #6E1F9F #9F2E1F

split-complementary

#509F1F #2E1F9F #9F1F90

monochromatic

#1C390B #366C15 #509F1F #6AD229 #8DDF5A

Accessibility & contrast

On white

3.32

#509F1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#509F1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509F1F

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509F1F	#FFFFFF	#000000	##000000
##509F1F	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9A8B2E

Tritanopia (blue-blind)

#4C9988

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #509f1f;
/* rgb */ color: rgb(80, 159, 31);
/* oklch */ color: oklch(62.8% 0.175 136.6);

Tailwind

colors: {
  custom: {
    50: '#89bc66',
    500: '#509f1f',
    950: '#000000',
  },
}

SCSS

$custom: #509f1f;
$custom-light: #89bc66;
$custom-dark: #000000;

JSON

{
  "hex": "#509f1f",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 31
  },
  "hsl": {
    "h": 97.031,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.62793,
    "c": 0.17514,
    "h": 136.6
  },
  "luminance": 0.26601
}

Semantic roles & 50–950 ramp

primary

#509F1F

secondary

#9A57C3

accent

#3EEAA8

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509F1F

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

Preview Lab → · Contrast checker → · Palette generator →