#557B28#557B28

#557B28 is a mid, moderate yellow-green. Relative luminance 0.163; OKLCH L 53.6% C 0.120 H 130.6°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#557B28
RGB	rgb(85, 123, 40)
HSL	hsl(87, 51%, 32%)
HSV	hsv(87, 67%, 48%)
CMYK	cmyk(30.9%, 0%, 67.5%, 51.8%)
CIE-LAB	lab(47.30, -27.63, 39.72)
CIE-LCH	lch(47.30, 48.39, 124.82°)
OKLab	oklab(53.63% -0.0779 0.091)
OKLCH	oklch(53.63% 0.12 130.6)
XYZ	xyz(11.2122, 16.2501, 4.5529)
Luminance	0.1625 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557B28 #4E287B

analogous

#7B7828 #557B28 #2C7B28

triadic

#557B28 #28557B #7B2855

tetradic

#557B28 #287B78 #4E287B #7B282C

square

#557B28 #287B78 #4E287B #7B282C

split-complementary

#557B28 #282C7B #78287B

monochromatic

#151F0A #354D19 #557B28 #75A937 #94C856

Accessibility & contrast

On white

4.94

#557B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#557B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557B28

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557B28	#FFFFFF	#000000	##FFFFFF
##557B28	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#81721D

Deuteranopia (green-blind)

#7B6F2F

Tritanopia (blue-blind)

#57766A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #557b28;
/* rgb */ color: rgb(85, 123, 40);
/* oklch */ color: oklch(53.6% 0.120 130.6);

Tailwind

colors: {
  custom: {
    50: '#88a166',
    500: '#557b28',
    950: '#000000',
  },
}

SCSS

$custom: #557b28;
$custom-light: #88a166;
$custom-dark: #000000;

JSON

{
  "hex": "#557b28",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 40
  },
  "hsl": {
    "h": 87.47,
    "s": 50.92,
    "l": 31.961
  },
  "oklch": {
    "l": 0.53632,
    "c": 0.11977,
    "h": 130.6
  },
  "luminance": 0.1625
}

Semantic roles & 50–950 ramp

primary

#557B28

secondary

#7C52AD

accent

#4DDA8E

background

#F8F9F6

surface

#F0F2EB

border

#CBCCC6

text

#0C0F06

muted

#7D7E7A

Preview Lab

Preview with #557B28

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

Preview Lab → · Contrast checker → · Palette generator →