#538B19#538B19

#538B19 is a mid, vivid yellow-green. Relative luminance 0.204; OKLCH L 57.6% C 0.152 H 133.1°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#538B19
RGB	rgb(83, 139, 25)
HSL	hsl(89, 70%, 32%)
HSV	hsv(89, 82%, 55%)
CMYK	cmyk(40.3%, 0%, 82%, 45.5%)
CIE-LAB	lab(52.26, -36.76, 50.28)
CIE-LCH	lch(52.26, 62.28, 126.17°)
OKLab	oklab(57.61% -0.1037 0.1109)
OKLCH	oklch(57.61% 0.152 133.1)
XYZ	xyz(12.9752, 20.3738, 4.1684)
Luminance	0.2037 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538B19 #51198B

analogous

#8B8A19 #538B19 #1A8B19

triadic

#538B19 #19538B #8B1953

tetradic

#538B19 #198B8A #51198B #8B191A

square

#538B19 #198B8A #51198B #8B191A

split-complementary

#538B19 #191A8B #8A198B

monochromatic

#152306 #345710 #538B19 #72BF22 #91DD41

Accessibility & contrast

On white

4.14

#538B19 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#538B19 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538B19

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538B19	#FFFFFF	#000000	##000000
##538B19	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F00

Deuteranopia (green-blind)

#897B26

Tritanopia (blue-blind)

#538576

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #538b19;
/* rgb */ color: rgb(83, 139, 25);
/* oklch */ color: oklch(57.6% 0.152 133.1);

Tailwind

colors: {
  custom: {
    50: '#89ad61',
    500: '#538b19',
    950: '#000000',
  },
}

SCSS

$custom: #538b19;
$custom-light: #89ad61;
$custom-dark: #000000;

JSON

{
  "hex": "#538b19",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 25
  },
  "hsl": {
    "h": 89.474,
    "s": 69.512,
    "l": 32.157
  },
  "oklch": {
    "l": 0.57614,
    "c": 0.15181,
    "h": 133.1
  },
  "luminance": 0.20374
}

Semantic roles & 50–950 ramp

primary

#538B19

secondary

#7F42BE

accent

#3BEC92

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #538B19

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

Preview Lab → · Contrast checker → · Palette generator →