#557D66#557D66

#557D66 is a mid, muted green. Relative luminance 0.176; OKLCH L 55.3% C 0.057 H 158.6°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#557D66
RGB	rgb(85, 125, 102)
HSL	hsl(146, 19%, 41%)
HSV	hsv(146, 32%, 49%)
CMYK	cmyk(32%, 0%, 18.4%, 51%)
CIE-LAB	lab(48.95, -19.25, 8.13)
CIE-LCH	lch(48.95, 20.89, 157.09°)
OKLab	oklab(55.3% -0.0535 0.021)
OKLCH	oklch(55.3% 0.057 158.6)
XYZ	xyz(13.4774, 17.5572, 15.2465)
Luminance	0.1756 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557D66 #7D556C

analogous

#587D55 #557D66 #557D7A

triadic

#557D66 #66557D #7D6655

tetradic

#557D66 #55587D #7D556C #7D7A55

square

#557D66 #55587D #7D556C #7D7A55

split-complementary

#557D66 #7A557D #7D5558

monochromatic

#23342B #3C5948 #557D66 #719E84 #95B7A4

Accessibility & contrast

On white

4.65

#557D66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#557D66 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #557D66

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557D66	#FFFFFF	#000000	##FFFFFF
##557D66	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7765

Deuteranopia (green-blind)

#767267

Tritanopia (blue-blind)

#4D7D76

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #557d66;
/* rgb */ color: rgb(85, 125, 102);
/* oklch */ color: oklch(55.3% 0.057 158.6);

Tailwind

colors: {
  custom: {
    50: '#86a391',
    500: '#557d66',
    950: '#000000',
  },
}

SCSS

$custom: #557d66;
$custom-light: #86a391;
$custom-dark: #000000;

JSON

{
  "hex": "#557d66",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 102
  },
  "hsl": {
    "h": 145.5,
    "s": 19.048,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55302,
    "c": 0.05749,
    "h": 158.6
  },
  "luminance": 0.17558
}

Semantic roles & 50–950 ramp

primary

#557D66

secondary

#A58999

accent

#6C9ABC

background

#F8FAF8

surface

#EFF3F0

border

#CACDCB

text

#0B0F0C

muted

#7C7F7D

Preview Lab

Preview with #557D66

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

Preview Lab → · Contrast checker → · Palette generator →