#557D28#557D28

#557D28 is a mid, vivid yellow-green. Relative luminance 0.168; OKLCH L 54.2% C 0.123 H 131.1°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#557D28
RGB	rgb(85, 125, 40)
HSL	hsl(88, 52%, 32%)
HSV	hsv(88, 68%, 49%)
CMYK	cmyk(32%, 0%, 68%, 51%)
CIE-LAB	lab(47.95, -28.59, 40.41)
CIE-LCH	lch(47.95, 49.50, 125.28°)
OKLab	oklab(54.16% -0.0805 0.0924)
OKLCH	oklch(54.16% 0.123 131.1)
XYZ	xyz(11.4628, 16.7514, 4.6365)
Luminance	0.1675 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557D28 #50287D

analogous

#7D7A28 #557D28 #2B7D28

triadic

#557D28 #28557D #7D2855

tetradic

#557D28 #287D7A #50287D #7D282B

square

#557D28 #287D7A #50287D #7D282B

split-complementary

#557D28 #282B7D #7A287D

monochromatic

#16200A #354F19 #557D28 #75AB37 #93C956

Accessibility & contrast

On white

4.83

#557D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#557D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557D28

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557D28	#FFFFFF	#000000	##FFFFFF
##557D28	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#83741D

Deuteranopia (green-blind)

#7D712F

Tritanopia (blue-blind)

#57786C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #557d28;
/* rgb */ color: rgb(85, 125, 40);
/* oklch */ color: oklch(54.2% 0.123 131.1);

Tailwind

colors: {
  custom: {
    50: '#88a366',
    500: '#557d28',
    950: '#000000',
  },
}

SCSS

$custom: #557d28;
$custom-light: #88a366;
$custom-dark: #000000;

JSON

{
  "hex": "#557d28",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 40
  },
  "hsl": {
    "h": 88.235,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.54156,
    "c": 0.1226,
    "h": 131.1
  },
  "luminance": 0.16752
}

Semantic roles & 50–950 ramp

primary

#557D28

secondary

#7E53AE

accent

#4DDB90

background

#F8FAF6

surface

#F0F3EB

border

#CBCDC6

text

#0C0F06

muted

#7D7F7A

Preview Lab

Preview with #557D28

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

Preview Lab → · Contrast checker → · Palette generator →