#557D2B#557D2B

#557D2B is a mid, vivid yellow-green. Relative luminance 0.168; OKLCH L 54.2% C 0.120 H 131.5°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#557D2B
RGB	rgb(85, 125, 43)
HSL	hsl(89, 49%, 33%)
HSV	hsv(89, 66%, 49%)
CMYK	cmyk(32%, 0%, 65.6%, 51%)
CIE-LAB	lab(47.97, -28.33, 39.08)
CIE-LCH	lch(47.97, 48.27, 125.94°)
OKLab	oklab(54.19% -0.0795 0.09)
OKLCH	oklch(54.19% 0.12 131.5)
XYZ	xyz(11.5158, 16.7726, 4.9157)
Luminance	0.1677 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557D2B #532B7D

analogous

#7D7C2B #557D2B #2C7D2B

triadic

#557D2B #2B557D #7D2B55

tetradic

#557D2B #2B7D7C #532B7D #7D2B2C

square

#557D2B #2B7D7C #532B7D #7D2B2C

split-complementary

#557D2B #2B2C7D #7C2B7D

monochromatic

#17220C #364F1B #557D2B #74AB3B #93C75C

Accessibility & contrast

On white

4.82

#557D2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#557D2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557D2B

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557D2B	#FFFFFF	#000000	##FFFFFF
##557D2B	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827421

Deuteranopia (green-blind)

#7D7131

Tritanopia (blue-blind)

#56786C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #557d2b;
/* rgb */ color: rgb(85, 125, 43);
/* oklch */ color: oklch(54.2% 0.120 131.5);

Tailwind

colors: {
  custom: {
    50: '#88a368',
    500: '#557d2b',
    950: '#000000',
  },
}

SCSS

$custom: #557d2b;
$custom-light: #88a368;
$custom-dark: #000000;

JSON

{
  "hex": "#557d2b",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 43
  },
  "hsl": {
    "h": 89.268,
    "s": 48.81,
    "l": 32.941
  },
  "oklch": {
    "l": 0.54186,
    "c": 0.12013,
    "h": 131.5
  },
  "luminance": 0.16773
}

Semantic roles & 50–950 ramp

primary

#557D2B

secondary

#8157AD

accent

#4FD892

background

#F8FAF6

surface

#F0F3EB

border

#CBCDC6

text

#0C0F06

muted

#7D7F7A

Preview Lab

Preview with #557D2B

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

Preview Lab → · Contrast checker → · Palette generator →