#538B23#538B23

#538B23 is a mid, vivid yellow-green. Relative luminance 0.204; OKLCH L 57.7% C 0.146 H 133.9°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#538B23
RGB	rgb(83, 139, 35)
HSL	hsl(92, 60%, 34%)
HSV	hsv(92, 75%, 55%)
CMYK	cmyk(40.3%, 0%, 74.8%, 45.5%)
CIE-LAB	lab(52.31, -36.16, 46.93)
CIE-LCH	lch(52.31, 59.24, 127.62°)
OKLab	oklab(57.68% -0.1014 0.1054)
OKLCH	oklch(57.68% 0.146 133.9)
XYZ	xyz(13.1030, 20.4249, 4.8418)
Luminance	0.2043 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538B23 #5B238B

analogous

#878B23 #538B23 #238B27

triadic

#538B23 #23538B #8B2353

tetradic

#538B23 #23878B #5B238B #8B2723

square

#538B23 #23878B #5B238B #8B2723

split-complementary

#538B23 #27238B #8B2387

monochromatic

#19290A #365A17 #538B23 #70BC2F #8FD454

Accessibility & contrast

On white

4.13

#538B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#538B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538B23

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538B23	#FFFFFF	#000000	##000000
##538B23	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91800F

Deuteranopia (green-blind)

#897B2D

Tritanopia (blue-blind)

#538577

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #538b23;
/* rgb */ color: rgb(83, 139, 35);
/* oklch */ color: oklch(57.7% 0.146 133.9);

Tailwind

colors: {
  custom: {
    50: '#88ad65',
    500: '#538b23',
    950: '#000000',
  },
}

SCSS

$custom: #538b23;
$custom-light: #88ad65;
$custom-dark: #000000;

JSON

{
  "hex": "#538b23",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 92.308,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.57679,
    "c": 0.14627,
    "h": 133.9
  },
  "luminance": 0.20426
}

Semantic roles & 50–950 ramp

primary

#538B23

secondary

#8952B8

accent

#45E39A

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #538B23

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

Preview Lab → · Contrast checker → · Palette generator →