#558B6B#558B6B

#558B6B is a mid, moderate green. Relative luminance 0.215; OKLCH L 59.0% C 0.076 H 157.1°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#558B6B
RGB	rgb(85, 139, 107)
HSL	hsl(144, 24%, 44%)
HSV	hsv(144, 39%, 55%)
CMYK	cmyk(38.8%, 0%, 23%, 45.5%)
CIE-LAB	lab(53.45, -25.39, 11.57)
CIE-LCH	lch(53.45, 27.91, 155.51°)
OKLab	oklab(58.96% -0.0701 0.0296)
OKLCH	oklch(58.96% 0.076 157.1)
XYZ	xyz(15.6317, 21.4571, 17.2250)
Luminance	0.2146 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558B6B #8B5575

analogous

#5A8B55 #558B6B #558B86

triadic

#558B6B #6B558B #8B6B55

tetradic

#558B6B #555A8B #8B5575 #8B8655

square

#558B6B #555A8B #8B5575 #8B8655

split-complementary

#558B6B #86558B #8B555A

monochromatic

#273F31 #3E654E #558B6B #74AA8A #99C1AA

Accessibility & contrast

On white

3.97

#558B6B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#558B6B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558B6B

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558B6B	#FFFFFF	#000000	##000000
##558B6B	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8369

Deuteranopia (green-blind)

#827D6D

Tritanopia (blue-blind)

#4A8A82

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #558b6b;
/* rgb */ color: rgb(85, 139, 107);
/* oklch */ color: oklch(59.0% 0.076 157.1);

Tailwind

colors: {
  custom: {
    50: '#87ad95',
    500: '#558b6b',
    950: '#000000',
  },
}

SCSS

$custom: #558b6b;
$custom-light: #87ad95;
$custom-dark: #000000;

JSON

{
  "hex": "#558b6b",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 107
  },
  "hsl": {
    "h": 144.444,
    "s": 24.107,
    "l": 43.922
  },
  "oklch": {
    "l": 0.58963,
    "c": 0.07611,
    "h": 157.1
  },
  "luminance": 0.21458
}

Semantic roles & 50–950 ramp

primary

#558B6B

secondary

#AE8EA1

accent

#679CC1

background

#F8FAF9

surface

#F0F4F1

border

#CBCECB

text

#0B100D

muted

#7C7F7E

Preview Lab

Preview with #558B6B

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

Preview Lab → · Contrast checker → · Palette generator →