#538D21#538D21

#538D21 is a mid, vivid yellow-green. Relative luminance 0.210; OKLCH L 58.2% C 0.150 H 134.0°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#538D21
RGB	rgb(83, 141, 33)
HSL	hsl(92, 62%, 34%)
HSV	hsv(92, 77%, 55%)
CMYK	cmyk(41.1%, 0%, 76.6%, 44.7%)
CIE-LAB	lab(52.95, -37.17, 48.28)
CIE-LCH	lch(52.95, 60.94, 127.59°)
OKLab	oklab(58.19% -0.1043 0.1079)
OKLCH	oklch(58.19% 0.15 134)
XYZ	xyz(13.3664, 20.9979, 4.7873)
Luminance	0.2100 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538D21 #5B218D

analogous

#898D21 #538D21 #218D25

triadic

#538D21 #21538D #8D2153

tetradic

#538D21 #21898D #5B218D #8D2521

square

#538D21 #21898D #5B218D #8D2521

split-complementary

#538D21 #25218D #8D2189

monochromatic

#192A0A #365B15 #538D21 #70BF2D #8FD652

Accessibility & contrast

On white

4.04

#538D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#538D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538D21

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538D21	#FFFFFF	#000000	##000000
##538D21	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938109

Deuteranopia (green-blind)

#8B7D2C

Tritanopia (blue-blind)

#538778

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #538d21;
/* rgb */ color: rgb(83, 141, 33);
/* oklch */ color: oklch(58.2% 0.150 134.0);

Tailwind

colors: {
  custom: {
    50: '#89af65',
    500: '#538d21',
    950: '#000000',
  },
}

SCSS

$custom: #538d21;
$custom-light: #89af65;
$custom-dark: #000000;

JSON

{
  "hex": "#538d21",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 33
  },
  "hsl": {
    "h": 92.222,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.58192,
    "c": 0.15009,
    "h": 134
  },
  "luminance": 0.20999
}

Semantic roles & 50–950 ramp

primary

#538D21

secondary

#8950BA

accent

#43E59A

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #538D21

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

Preview Lab → · Contrast checker → · Palette generator →