#538A1B#538A1B

#538A1B is a mid, vivid yellow-green. Relative luminance 0.201; OKLCH L 57.4% C 0.150 H 133.1°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#538A1B
RGB	rgb(83, 138, 27)
HSL	hsl(90, 67%, 32%)
HSV	hsv(90, 80%, 54%)
CMYK	cmyk(39.9%, 0%, 80.4%, 45.9%)
CIE-LAB	lab(51.94, -36.22, 49.36)
CIE-LCH	lch(51.94, 61.23, 126.27°)
OKLab	oklab(57.36% -0.1021 0.1093)
OKLCH	oklch(57.36% 0.15 133.1)
XYZ	xyz(12.8534, 20.0945, 4.2381)
Luminance	0.2009 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538A1B #521B8A

analogous

#8A8A1B #538A1B #1B8A1B

triadic

#538A1B #1B538A #8A1B53

tetradic

#538A1B #1B8A8A #521B8A #8A1B1B

square

#538A1B #1B8A8A #521B8A #8A1B1B

split-complementary

#538A1B #1B1B8A #8A1B8A

monochromatic

#152407 #345711 #538A1B #72BD25 #90DB45

Accessibility & contrast

On white

4.18

#538A1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#538A1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538A1B

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538A1B	#FFFFFF	#000000	##000000
##538A1B	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F00

Deuteranopia (green-blind)

#887A27

Tritanopia (blue-blind)

#538475

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #538a1b;
/* rgb */ color: rgb(83, 138, 27);
/* oklch */ color: oklch(57.4% 0.150 133.1);

Tailwind

colors: {
  custom: {
    50: '#89ac61',
    500: '#538a1b',
    950: '#000000',
  },
}

SCSS

$custom: #538a1b;
$custom-light: #89ac61;
$custom-dark: #000000;

JSON

{
  "hex": "#538a1b",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 27
  },
  "hsl": {
    "h": 89.73,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.5736,
    "c": 0.14955,
    "h": 133.1
  },
  "luminance": 0.20095
}

Semantic roles & 50–950 ramp

primary

#538A1B

secondary

#8045BC

accent

#3EEA93

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #538A1B

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

Preview Lab → · Contrast checker → · Palette generator →