#556B28#556B28

#556B28 is a mid, moderate yellow-green. Relative luminance 0.126; OKLCH L 49.5% C 0.097 H 125.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#556B28
RGB	rgb(85, 107, 40)
HSL	hsl(80, 46%, 29%)
HSV	hsv(80, 63%, 42%)
CMYK	cmyk(20.6%, 0%, 62.6%, 58%)
CIE-LAB	lab(42.15, -19.55, 34.09)
CIE-LCH	lch(42.15, 39.29, 119.83°)
OKLab	oklab(49.46% -0.0556 0.0791)
OKLCH	oklch(49.46% 0.097 125.1)
XYZ	xyz(9.3870, 12.5998, 3.9445)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556B28 #3E286B

analogous

#6B6028 #556B28 #346B28

triadic

#556B28 #28556B #6B2855

tetradic

#556B28 #286B60 #3E286B #6B2834

square

#556B28 #286B60 #3E286B #6B2834

split-complementary

#556B28 #28346B #60286B

monochromatic

#121608 #323E17 #556B28 #789839 #9ABE50

Accessibility & contrast

On white

5.97

#556B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#556B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556B28

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556B28	#FFFFFF	#000000	##FFFFFF
##556B28	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716421

Deuteranopia (green-blind)

#6E632D

Tritanopia (blue-blind)

#59665D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #556b28;
/* rgb */ color: rgb(85, 107, 40);
/* oklch */ color: oklch(49.5% 0.097 125.1);

Tailwind

colors: {
  custom: {
    50: '#879565',
    500: '#556b28',
    950: '#000000',
  },
}

SCSS

$custom: #556b28;
$custom-light: #879565;
$custom-dark: #000000;

JSON

{
  "hex": "#556b28",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 40
  },
  "hsl": {
    "h": 79.701,
    "s": 45.578,
    "l": 28.824
  },
  "oklch": {
    "l": 0.49462,
    "c": 0.09664,
    "h": 125.1
  },
  "luminance": 0.126
}

Semantic roles & 50–950 ramp

primary

#556B28

secondary

#6A519D

accent

#53D57D

background

#F8F9F6

surface

#F0F1EB

border

#CBCBC6

text

#0B0D06

muted

#7C7E7A

Preview Lab

Preview with #556B28

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

Preview Lab → · Contrast checker → · Palette generator →