#558D21#558D21

#558D21 is a mid, vivid yellow-green. Relative luminance 0.211; OKLCH L 58.3% C 0.149 H 133.4°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#558D21
RGB	rgb(85, 141, 33)
HSL	hsl(91, 62%, 34%)
HSV	hsv(91, 77%, 55%)
CMYK	cmyk(39.7%, 0%, 76.6%, 44.7%)
CIE-LAB	lab(53.05, -36.45, 48.42)
CIE-LCH	lch(53.05, 60.61, 126.97°)
OKLab	oklab(58.3% -0.1025 0.1082)
OKLCH	oklch(58.3% 0.149 133.4)
XYZ	xyz(13.5455, 21.0902, 4.7956)
Luminance	0.2109 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558D21 #59218D

analogous

#8B8D21 #558D21 #218D23

triadic

#558D21 #21558D #8D2155

tetradic

#558D21 #218B8D #59218D #8D2321

square

#558D21 #218B8D #59218D #8D2321

split-complementary

#558D21 #23218D #8D218B

monochromatic

#192A0A #375B15 #558D21 #73BF2D #92D652

Accessibility & contrast

On white

4.02

#558D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#558D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558D21

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558D21	#FFFFFF	#000000	##000000
##558D21	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938109

Deuteranopia (green-blind)

#8B7D2C

Tritanopia (blue-blind)

#558778

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #558d21;
/* rgb */ color: rgb(85, 141, 33);
/* oklch */ color: oklch(58.3% 0.149 133.4);

Tailwind

colors: {
  custom: {
    50: '#8aaf65',
    500: '#558d21',
    950: '#000000',
  },
}

SCSS

$custom: #558d21;
$custom-light: #8aaf65;
$custom-dark: #000000;

JSON

{
  "hex": "#558d21",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 33
  },
  "hsl": {
    "h": 91.111,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.58302,
    "c": 0.14901,
    "h": 133.4
  },
  "luminance": 0.21091
}

Semantic roles & 50–950 ramp

primary

#558D21

secondary

#8750BA

accent

#43E597

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #558D21

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

Preview Lab → · Contrast checker → · Palette generator →