#558E21#558E21

#558E21 is a mid, vivid yellow-green. Relative luminance 0.214; OKLCH L 58.6% C 0.150 H 133.6°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#558E21
RGB	rgb(85, 142, 33)
HSL	hsl(91, 62%, 34%)
HSV	hsv(91, 77%, 56%)
CMYK	cmyk(40.1%, 0%, 76.8%, 44.3%)
CIE-LAB	lab(53.37, -36.89, 48.73)
CIE-LCH	lch(53.37, 61.12, 127.13°)
OKLab	oklab(58.57% -0.1037 0.1088)
OKLCH	oklch(58.57% 0.15 133.6)
XYZ	xyz(13.6936, 21.3864, 4.8450)
Luminance	0.2139 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558E21 #5A218E

analogous

#8C8E21 #558E21 #218E23

triadic

#558E21 #21558E #8E2155

tetradic

#558E21 #218C8E #5A218E #8E2321

square

#558E21 #218C8E #5A218E #8E2321

split-complementary

#558E21 #23218E #8E218C

monochromatic

#1A2B0A #375C15 #558E21 #73C02D #92D752

Accessibility & contrast

On white

3.98

#558E21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#558E21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558E21

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558E21	#FFFFFF	#000000	##000000
##558E21	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948209

Deuteranopia (green-blind)

#8C7E2C

Tritanopia (blue-blind)

#558879

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #558e21;
/* rgb */ color: rgb(85, 142, 33);
/* oklch */ color: oklch(58.6% 0.150 133.6);

Tailwind

colors: {
  custom: {
    50: '#8aaf65',
    500: '#558e21',
    950: '#000000',
  },
}

SCSS

$custom: #558e21;
$custom-light: #8aaf65;
$custom-dark: #000000;

JSON

{
  "hex": "#558e21",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 33
  },
  "hsl": {
    "h": 91.376,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.58565,
    "c": 0.1503,
    "h": 133.6
  },
  "luminance": 0.21387
}

Semantic roles & 50–950 ramp

primary

#558E21

secondary

#8850BA

accent

#42E598

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #558E21

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

Preview Lab → · Contrast checker → · Palette generator →