#558F21#558F21

#558F21 is a mid, vivid yellow-green. Relative luminance 0.217; OKLCH L 58.8% C 0.152 H 133.8°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#558F21
RGB	rgb(85, 143, 33)
HSL	hsl(92, 63%, 35%)
HSV	hsv(92, 77%, 56%)
CMYK	cmyk(40.6%, 0%, 76.9%, 43.9%)
CIE-LAB	lab(53.69, -37.33, 49.04)
CIE-LCH	lch(53.69, 61.63, 127.27°)
OKLab	oklab(58.83% -0.1048 0.1095)
OKLCH	oklch(58.83% 0.152 133.8)
XYZ	xyz(13.8430, 21.6853, 4.8948)
Luminance	0.2169 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558F21 #5B218F

analogous

#8C8F21 #558F21 #218F24

triadic

#558F21 #21558F #8F2155

tetradic

#558F21 #218C8F #5B218F #8F2421

square

#558F21 #218C8F #5B218F #8F2421

split-complementary

#558F21 #24218F #8F218C

monochromatic

#1A2C0A #375D16 #558F21 #73C12C #92D753

Accessibility & contrast

On white

3.93

#558F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#558F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558F21

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558F21	#FFFFFF	#000000	##000000
##558F21	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958308

Deuteranopia (green-blind)

#8D7F2C

Tritanopia (blue-blind)

#55897A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #558f21;
/* rgb */ color: rgb(85, 143, 33);
/* oklch */ color: oklch(58.8% 0.152 133.8);

Tailwind

colors: {
  custom: {
    50: '#8ab065',
    500: '#558f21',
    950: '#000000',
  },
}

SCSS

$custom: #558f21;
$custom-light: #8ab065;
$custom-dark: #000000;

JSON

{
  "hex": "#558f21",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 33
  },
  "hsl": {
    "h": 91.636,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58829,
    "c": 0.15159,
    "h": 133.8
  },
  "luminance": 0.21686
}

Semantic roles & 50–950 ramp

primary

#558F21

secondary

#8951BB

accent

#42E698

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #558F21

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

Preview Lab → · Contrast checker → · Palette generator →