#539D21#539D21

#539D21 is a light, vivid yellow-green. Relative luminance 0.261; OKLCH L 62.4% C 0.170 H 136.0°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#539D21
RGB	rgb(83, 157, 33)
HSL	hsl(96, 65%, 37%)
HSV	hsv(96, 79%, 62%)
CMYK	cmyk(47.1%, 0%, 79%, 38.4%)
CIE-LAB	lab(58.10, -43.89, 53.24)
CIE-LCH	lch(58.10, 68.99, 129.50°)
OKLab	oklab(62.42% -0.1224 0.1183)
OKLCH	oklch(62.42% 0.17 136)
XYZ	xyz(15.8984, 26.0617, 5.6312)
Luminance	0.2606 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539D21 #6B219D

analogous

#919D21 #539D21 #219D2D

triadic

#539D21 #21539D #9D2153

tetradic

#539D21 #21919D #6B219D #9D2D21

square

#539D21 #21919D #6B219D #9D2D21

split-complementary

#539D21 #2D219D #9D2191

monochromatic

#1E380C #386A16 #539D21 #6ED02C #90DD5C

Accessibility & contrast

On white

3.38

#539D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#539D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539D21

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539D21	#FFFFFF	#000000	##000000
##539D21	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A38F00

Deuteranopia (green-blind)

#99892F

Tritanopia (blue-blind)

#509786

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #539d21;
/* rgb */ color: rgb(83, 157, 33);
/* oklch */ color: oklch(62.4% 0.170 136.0);

Tailwind

colors: {
  custom: {
    50: '#8aba67',
    500: '#539d21',
    950: '#000000',
  },
}

SCSS

$custom: #539d21;
$custom-light: #8aba67;
$custom-dark: #000000;

JSON

{
  "hex": "#539d21",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 33
  },
  "hsl": {
    "h": 95.806,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.62415,
    "c": 0.17021,
    "h": 136
  },
  "luminance": 0.26063
}

Semantic roles & 50–950 ramp

primary

#539D21

secondary

#9759C1

accent

#40E8A4

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0D1206

muted

#7D817A

Preview Lab

Preview with #539D21

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

Preview Lab → · Contrast checker → · Palette generator →