#539B1B#539B1B

#539B1B is a mid, vivid yellow-green. Relative luminance 0.254; OKLCH L 61.9% C 0.171 H 135.4°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#539B1B
RGB	rgb(83, 155, 27)
HSL	hsl(94, 70%, 36%)
HSV	hsv(94, 83%, 61%)
CMYK	cmyk(46.5%, 0%, 82.6%, 39.2%)
CIE-LAB	lab(57.42, -43.40, 54.43)
CIE-LCH	lch(57.42, 69.61, 128.57°)
OKLab	oklab(61.85% -0.1214 0.1199)
OKLCH	oklch(61.85% 0.171 135.4)
XYZ	xyz(15.4861, 25.3599, 5.1156)
Luminance	0.2536 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539B1B #631B9B

analogous

#939B1B #539B1B #1B9B23

triadic

#539B1B #1B539B #9B1B53

tetradic

#539B1B #1B939B #631B9B #9B231B

square

#539B1B #1B939B #631B9B #9B231B

split-complementary

#539B1B #231B9B #9B1B93

monochromatic

#1B3309 #376712 #539B1B #6FCF24 #8FE050

Accessibility & contrast

On white

3.46

#539B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#539B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539B1B

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539B1B	#FFFFFF	#000000	##000000
##539B1B	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18E00

Deuteranopia (green-blind)

#97882B

Tritanopia (blue-blind)

#519584

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #539b1b;
/* rgb */ color: rgb(83, 155, 27);
/* oklch */ color: oklch(61.9% 0.171 135.4);

Tailwind

colors: {
  custom: {
    50: '#8ab964',
    500: '#539b1b',
    950: '#000000',
  },
}

SCSS

$custom: #539b1b;
$custom-light: #8ab964;
$custom-dark: #000000;

JSON

{
  "hex": "#539b1b",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 27
  },
  "hsl": {
    "h": 93.75,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.61854,
    "c": 0.17064,
    "h": 135.4
  },
  "luminance": 0.25361
}

Semantic roles & 50–950 ramp

primary

#539B1B

secondary

#904FC3

accent

#3BED9F

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0D1106

muted

#7D807A

Preview Lab

Preview with #539B1B

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

Preview Lab → · Contrast checker → · Palette generator →