#538B33#538B33

#538B33 is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.8% C 0.134 H 135.9°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#538B33
RGB	rgb(83, 139, 51)
HSL	hsl(98, 46%, 37%)
HSV	hsv(98, 63%, 55%)
CMYK	cmyk(40.3%, 0%, 63.3%, 45.5%)
CIE-LAB	lab(52.45, -34.81, 40.28)
CIE-LCH	lch(52.45, 53.24, 130.83°)
OKLab	oklab(57.83% -0.0965 0.0936)
OKLCH	oklch(57.83% 0.134 135.9)
XYZ	xyz(13.3971, 20.5426, 6.3905)
Luminance	0.2054 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538B33 #6B338B

analogous

#7F8B33 #538B33 #338B3F

triadic

#538B33 #33538B #8B3353

tetradic

#538B33 #337F8B #6B338B #8B3F33

square

#538B33 #337F8B #6B338B #8B3F33

split-complementary

#538B33 #3F338B #8B337F

monochromatic

#1E3112 #385E23 #538B33 #6EB843 #90CA6E

Accessibility & contrast

On white

4.11

#538B33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#538B33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538B33

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538B33	#FFFFFF	#000000	##000000
##538B33	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908029

Deuteranopia (green-blind)

#887B3A

Tritanopia (blue-blind)

#518678

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #538b33;
/* rgb */ color: rgb(83, 139, 51);
/* oklch */ color: oklch(57.8% 0.134 135.9);

Tailwind

colors: {
  custom: {
    50: '#87ad6e',
    500: '#538b33',
    950: '#000000',
  },
}

SCSS

$custom: #538b33;
$custom-light: #87ad6e;
$custom-dark: #000000;

JSON

{
  "hex": "#538b33",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 51
  },
  "hsl": {
    "h": 98.182,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.57827,
    "c": 0.13441,
    "h": 135.9
  },
  "luminance": 0.20543
}

Semantic roles & 50–950 ramp

primary

#538B33

secondary

#9768B2

accent

#52D6A6

background

#F8FAF6

surface

#F0F4EC

border

#CBCEC7

text

#0C1007

muted

#7D7F7A

Preview Lab

Preview with #538B33

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

Preview Lab → · Contrast checker → · Palette generator →