#538B2B#538B2B

#538B2B is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.7% C 0.141 H 134.8°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#538B2B
RGB	rgb(83, 139, 43)
HSL	hsl(95, 53%, 36%)
HSV	hsv(95, 69%, 55%)
CMYK	cmyk(40.3%, 0%, 69.1%, 45.5%)
CIE-LAB	lab(52.37, -35.55, 43.77)
CIE-LCH	lch(52.37, 56.39, 129.08°)
OKLab	oklab(57.75% -0.0991 0.1)
OKLCH	oklch(57.75% 0.141 134.8)
XYZ	xyz(13.2357, 20.4780, 5.5403)
Luminance	0.2048 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538B2B #632B8B

analogous

#838B2B #538B2B #2B8B33

triadic

#538B2B #2B538B #8B2B53

tetradic

#538B2B #2B838B #632B8B #8B332B

square

#538B2B #2B838B #632B8B #8B332B

split-complementary

#538B2B #332B8B #8B2B83

monochromatic

#1B2E0E #375C1D #538B2B #6FBA39 #8FCE62

Accessibility & contrast

On white

4.12

#538B2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#538B2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538B2B

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538B2B	#FFFFFF	#000000	##000000
##538B2B	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90801E

Deuteranopia (green-blind)

#897B33

Tritanopia (blue-blind)

#528678

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #538b2b;
/* rgb */ color: rgb(83, 139, 43);
/* oklch */ color: oklch(57.7% 0.141 134.8);

Tailwind

colors: {
  custom: {
    50: '#88ad6a',
    500: '#538b2b',
    950: '#000000',
  },
}

SCSS

$custom: #538b2b;
$custom-light: #88ad6a;
$custom-dark: #000000;

JSON

{
  "hex": "#538b2b",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 43
  },
  "hsl": {
    "h": 95,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57746,
    "c": 0.14078,
    "h": 134.8
  },
  "luminance": 0.20479
}

Semantic roles & 50–950 ramp

primary

#538B2B

secondary

#905DB5

accent

#4CDCA0

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1007

muted

#7D7F7A

Preview Lab

Preview with #538B2B

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

Preview Lab → · Contrast checker → · Palette generator →