#558B66#558B66

#558B66 is a mid, moderate green. Relative luminance 0.214; OKLCH L 58.8% C 0.081 H 153.4°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#558B66
RGB	rgb(85, 139, 102)
HSL	hsl(139, 24%, 44%)
HSV	hsv(139, 39%, 55%)
CMYK	cmyk(38.8%, 0%, 26.6%, 45.5%)
CIE-LAB	lab(53.34, -26.42, 14.27)
CIE-LCH	lch(53.34, 30.03, 151.62°)
OKLab	oklab(58.84% -0.0725 0.0364)
OKLCH	oklch(58.84% 0.081 153.4)
XYZ	xyz(15.3763, 21.3549, 15.8795)
Luminance	0.2136 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558B66 #8B557A

analogous

#5F8B55 #558B66 #558B81

triadic

#558B66 #66558B #8B6655

tetradic

#558B66 #555F8B #8B557A #8B8155

square

#558B66 #555F8B #8B557A #8B8155

split-complementary

#558B66 #81558B #8B555F

monochromatic

#273F2E #3E654A #558B66 #74AA85 #99C1A6

Accessibility & contrast

On white

3.98

#558B66 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#558B66 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558B66

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558B66	#FFFFFF	#000000	##000000
##558B66	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8364

Deuteranopia (green-blind)

#837D68

Tritanopia (blue-blind)

#4B8A81

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #558b66;
/* rgb */ color: rgb(85, 139, 102);
/* oklch */ color: oklch(58.8% 0.081 153.4);

Tailwind

colors: {
  custom: {
    50: '#87ad91',
    500: '#558b66',
    950: '#000000',
  },
}

SCSS

$custom: #558b66;
$custom-light: #87ad91;
$custom-dark: #000000;

JSON

{
  "hex": "#558b66",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 102
  },
  "hsl": {
    "h": 138.889,
    "s": 24.107,
    "l": 43.922
  },
  "oklch": {
    "l": 0.58837,
    "c": 0.0811,
    "h": 153.4
  },
  "luminance": 0.21356
}

Semantic roles & 50–950 ramp

primary

#558B66

secondary

#AE8EA4

accent

#67A4C1

background

#F8FAF8

surface

#F0F4F0

border

#CBCECB

text

#0B100D

muted

#7C7F7D

Preview Lab

Preview with #558B66

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

Preview Lab → · Contrast checker → · Palette generator →