#538E1B#538E1B

#538E1B is a mid, vivid yellow-green. Relative luminance 0.213; OKLCH L 58.4% C 0.155 H 133.7°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#538E1B
RGB	rgb(83, 142, 27)
HSL	hsl(91, 68%, 33%)
HSV	hsv(91, 81%, 56%)
CMYK	cmyk(41.5%, 0%, 81%, 44.3%)
CIE-LAB	lab(53.24, -37.96, 50.57)
CIE-LCH	lch(53.24, 63.23, 126.89°)
OKLab	oklab(58.42% -0.1068 0.1118)
OKLCH	oklch(58.42% 0.155 133.7)
XYZ	xyz(13.4379, 21.2634, 4.4329)
Luminance	0.2126 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538E1B #561B8E

analogous

#8C8E1B #538E1B #1B8E1D

triadic

#538E1B #1B538E #8E1B53

tetradic

#538E1B #1B8C8E #561B8E #8E1D1B

square

#538E1B #1B8C8E #561B8E #8E1D1B

split-complementary

#538E1B #1D1B8E #8E1B8C

monochromatic

#172707 #355B11 #538E1B #71C125 #90DC47

Accessibility & contrast

On white

4.00

#538E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#538E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538E1B

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538E1B	#FFFFFF	#000000	##000000
##538E1B	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8C7D28

Tritanopia (blue-blind)

#538879

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #538e1b;
/* rgb */ color: rgb(83, 142, 27);
/* oklch */ color: oklch(58.4% 0.155 133.7);

Tailwind

colors: {
  custom: {
    50: '#89af62',
    500: '#538e1b',
    950: '#000000',
  },
}

SCSS

$custom: #538e1b;
$custom-light: #89af62;
$custom-dark: #000000;

JSON

{
  "hex": "#538e1b",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 27
  },
  "hsl": {
    "h": 90.783,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.58419,
    "c": 0.15461,
    "h": 133.7
  },
  "luminance": 0.21264
}

Semantic roles & 50–950 ramp

primary

#538E1B

secondary

#8447BE

accent

#3DEB96

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #538E1B

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

Preview Lab → · Contrast checker → · Palette generator →