#539F18#539F18

#539F18 is a light, vivid yellow-green. Relative luminance 0.267; OKLCH L 62.9% C 0.177 H 135.6°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#539F18
RGB	rgb(83, 159, 24)
HSL	hsl(94, 74%, 36%)
HSV	hsv(94, 85%, 62%)
CMYK	cmyk(47.8%, 0%, 84.9%, 37.6%)
CIE-LAB	lab(58.70, -45.14, 56.37)
CIE-LCH	lch(58.70, 72.22, 128.69°)
OKLab	oklab(62.9% -0.1263 0.1236)
OKLCH	oklch(62.9% 0.177 135.6)
XYZ	xyz(16.1299, 26.7002, 5.1677)
Luminance	0.2670 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539F18 #64189F

analogous

#969F18 #539F18 #189F21

triadic

#539F18 #18539F #9F1853

tetradic

#539F18 #18969F #64189F #9F2118

square

#539F18 #18969F #64189F #9F2118

split-complementary

#539F18 #21189F #9F1896

monochromatic

#1B3508 #376A10 #539F18 #6FD420 #8FE44D

Accessibility & contrast

On white

3.31

#539F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#539F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539F18

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539F18	#FFFFFF	#000000	##000000
##539F18	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9B8B2A

Tritanopia (blue-blind)

#509987

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #539f18;
/* rgb */ color: rgb(83, 159, 24);
/* oklch */ color: oklch(62.9% 0.177 135.6);

Tailwind

colors: {
  custom: {
    50: '#8bbc63',
    500: '#539f18',
    950: '#000000',
  },
}

SCSS

$custom: #539f18;
$custom-light: #8bbc63;
$custom-dark: #000000;

JSON

{
  "hex": "#539f18",
  "rgb": {
    "r": 83,
    "g": 159,
    "b": 24
  },
  "hsl": {
    "h": 93.778,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.62895,
    "c": 0.17665,
    "h": 135.6
  },
  "luminance": 0.26701
}

Semantic roles & 50–950 ramp

primary

#539F18

secondary

#914DC6

accent

#37F0A0

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1206

muted

#7E817A

Preview Lab

Preview with #539F18

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

Preview Lab → · Contrast checker → · Palette generator →