#538C1B#538C1B

#538C1B is a mid, vivid yellow-green. Relative luminance 0.207; OKLCH L 57.9% C 0.152 H 133.4°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#538C1B
RGB	rgb(83, 140, 27)
HSL	hsl(90, 68%, 33%)
HSV	hsv(90, 81%, 55%)
CMYK	cmyk(40.7%, 0%, 80.7%, 45.1%)
CIE-LAB	lab(52.59, -37.09, 49.97)
CIE-LCH	lch(52.59, 62.23, 126.59°)
OKLab	oklab(57.89% -0.1045 0.1105)
OKLCH	oklch(57.89% 0.152 133.4)
XYZ	xyz(13.1430, 20.6736, 4.3346)
Luminance	0.2067 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538C1B #541B8C

analogous

#8C8C1B #538C1B #1B8C1B

triadic

#538C1B #1B538C #8C1B53

tetradic

#538C1B #1B8C8C #541B8C #8C1B1B

square

#538C1B #1B8C8C #541B8C #8C1B1B

split-complementary

#538C1B #1B1B8C #8C1B8C

monochromatic

#162507 #355911 #538C1B #71BF25 #90DB46

Accessibility & contrast

On white

4.09

#538C1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#538C1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538C1B

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538C1B	#FFFFFF	#000000	##000000
##538C1B	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928000

Deuteranopia (green-blind)

#8A7C28

Tritanopia (blue-blind)

#538677

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #538c1b;
/* rgb */ color: rgb(83, 140, 27);
/* oklch */ color: oklch(57.9% 0.152 133.4);

Tailwind

colors: {
  custom: {
    50: '#89ae62',
    500: '#538c1b',
    950: '#000000',
  },
}

SCSS

$custom: #538c1b;
$custom-light: #89ae62;
$custom-dark: #000000;

JSON

{
  "hex": "#538c1b",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 27
  },
  "hsl": {
    "h": 90.265,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.5789,
    "c": 0.15209,
    "h": 133.4
  },
  "luminance": 0.20674
}

Semantic roles & 50–950 ramp

primary

#538C1B

secondary

#8246BD

accent

#3DEB95

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #538C1B

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

Preview Lab → · Contrast checker → · Palette generator →