#557C40#557C40

#557C40 is a mid, moderate yellow-green. Relative luminance 0.167; OKLCH L 54.2% C 0.098 H 135.5°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#557C40
RGB	rgb(85, 124, 64)
HSL	hsl(99, 32%, 37%)
HSV	hsv(99, 48%, 49%)
CMYK	cmyk(31.5%, 0%, 48.4%, 51.4%)
CIE-LAB	lab(47.90, -25.45, 28.37)
CIE-LCH	lch(47.90, 38.11, 131.89°)
OKLab	oklab(54.21% -0.07 0.0687)
OKLCH	oklch(54.21% 0.098 135.5)
XYZ	xyz(11.8791, 16.7163, 7.4502)
Luminance	0.1672 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557C40 #67407C

analogous

#737C40 #557C40 #407C49

triadic

#557C40 #40557C #7C4055

tetradic

#557C40 #40737C #67407C #7C4940

square

#557C40 #40737C #67407C #7C4940

split-complementary

#557C40 #49407C #7C4073

monochromatic

#1E2B16 #39542B #557C40 #71A455 #92BB7B

Accessibility & contrast

On white

4.83

#557C40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#557C40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557C40

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557C40	#FFFFFF	#000000	##FFFFFF
##557C40	1.00	4.83	4.34	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#80743B

Deuteranopia (green-blind)

#7A7044

Tritanopia (blue-blind)

#54786E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #557c40;
/* rgb */ color: rgb(85, 124, 64);
/* oklch */ color: oklch(54.2% 0.098 135.5);

Tailwind

colors: {
  custom: {
    50: '#87a276',
    500: '#557c40',
    950: '#000000',
  },
}

SCSS

$custom: #557c40;
$custom-light: #87a276;
$custom-dark: #000000;

JSON

{
  "hex": "#557c40",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 64
  },
  "hsl": {
    "h": 99,
    "s": 31.915,
    "l": 36.863
  },
  "oklch": {
    "l": 0.54209,
    "c": 0.09805,
    "h": 135.5
  },
  "luminance": 0.16717
}

Semantic roles & 50–950 ramp

primary

#557C40

secondary

#9472A6

accent

#60C8A4

background

#F8FAF7

surface

#F0F3ED

border

#CBCDC8

text

#0B0F08

muted

#7C7F7B

Preview Lab

Preview with #557C40

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

Preview Lab → · Contrast checker → · Palette generator →