#557B57#557B57

#557B57 is a mid, moderate green. Relative luminance 0.168; OKLCH L 54.4% C 0.070 H 145.8°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#557B57
RGB	rgb(85, 123, 87)
HSL	hsl(123, 18%, 41%)
HSV	hsv(123, 31%, 48%)
CMYK	cmyk(30.9%, 0%, 29.3%, 51.8%)
CIE-LAB	lab(47.99, -21.21, 15.53)
CIE-LCH	lch(47.99, 26.29, 143.79°)
OKLab	oklab(54.41% -0.0579 0.0394)
OKLCH	oklch(54.41% 0.07 145.8)
XYZ	xyz(12.5490, 16.7848, 11.5936)
Luminance	0.1678 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557B57 #7B5579

analogous

#667B55 #557B57 #557B6A

triadic

#557B57 #57557B #7B5755

tetradic

#557B57 #55667B #7B5579 #7B6A55

square

#557B57 #55667B #7B5579 #7B6A55

split-complementary

#557B57 #6A557B #7B5566

monochromatic

#233324 #3C573D #557B57 #719D73 #95B697

Accessibility & contrast

On white

4.82

#557B57 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#557B57 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557B57

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557B57	#FFFFFF	#000000	##FFFFFF
##557B57	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7455

Deuteranopia (green-blind)

#767059

Tritanopia (blue-blind)

#517971

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #557b57;
/* rgb */ color: rgb(85, 123, 87);
/* oklch */ color: oklch(54.4% 0.070 145.8);

Tailwind

colors: {
  custom: {
    50: '#86a186',
    500: '#557b57',
    950: '#000000',
  },
}

SCSS

$custom: #557b57;
$custom-light: #86a186;
$custom-dark: #000000;

JSON

{
  "hex": "#557b57",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 87
  },
  "hsl": {
    "h": 123.158,
    "s": 18.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.54411,
    "c": 0.07002,
    "h": 145.8
  },
  "luminance": 0.16785
}

Semantic roles & 50–950 ramp

primary

#557B57

secondary

#A388A2

accent

#6DB7BB

background

#F8F9F8

surface

#EFF2EF

border

#CACCCA

text

#0B0F0B

muted

#7C7E7C

Preview Lab

Preview with #557B57

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

Preview Lab → · Contrast checker → · Palette generator →