#539E18#539E18

#539E18 is a light, vivid yellow-green. Relative luminance 0.264; OKLCH L 62.6% C 0.175 H 135.5°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#539E18
RGB	rgb(83, 158, 24)
HSL	hsl(94, 74%, 36%)
HSV	hsv(94, 85%, 62%)
CMYK	cmyk(47.5%, 0%, 84.8%, 38%)
CIE-LAB	lab(58.37, -44.74, 56.09)
CIE-LCH	lch(58.37, 71.75, 128.58°)
OKLab	oklab(62.63% -0.1252 0.123)
OKLCH	oklch(62.63% 0.175 135.5)
XYZ	xyz(15.9586, 26.3576, 5.1106)
Luminance	0.2636 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539E18 #63189E

analogous

#969E18 #539E18 #189E20

triadic

#539E18 #18539E #9E1853

tetradic

#539E18 #18969E #63189E #9E2018

square

#539E18 #18969E #63189E #9E2018

split-complementary

#539E18 #20189E #9E1896

monochromatic

#1B3408 #376910 #539E18 #6FD320 #8FE44D

Accessibility & contrast

On white

3.35

#539E18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#539E18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539E18

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539E18	#FFFFFF	#000000	##000000
##539E18	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#9A8A29

Tritanopia (blue-blind)

#509886

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #539e18;
/* rgb */ color: rgb(83, 158, 24);
/* oklch */ color: oklch(62.6% 0.175 135.5);

Tailwind

colors: {
  custom: {
    50: '#8bbb63',
    500: '#539e18',
    950: '#000000',
  },
}

SCSS

$custom: #539e18;
$custom-light: #8bbb63;
$custom-dark: #000000;

JSON

{
  "hex": "#539e18",
  "rgb": {
    "r": 83,
    "g": 158,
    "b": 24
  },
  "hsl": {
    "h": 93.582,
    "s": 73.626,
    "l": 35.686
  },
  "oklch": {
    "l": 0.62631,
    "c": 0.17547,
    "h": 135.5
  },
  "luminance": 0.26359
}

Semantic roles & 50–950 ramp

primary

#539E18

secondary

#904CC6

accent

#38F09F

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1206

muted

#7E817A

Preview Lab

Preview with #539E18

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

Preview Lab → · Contrast checker → · Palette generator →