#557B16#557B16

#557B16 is a mid, vivid yellow-green. Relative luminance 0.162; OKLCH L 53.5% C 0.132 H 128.9°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#557B16
RGB	rgb(85, 123, 22)
HSL	hsl(83, 70%, 28%)
HSV	hsv(83, 82%, 48%)
CMYK	cmyk(30.9%, 0%, 82.1%, 51.8%)
CIE-LAB	lab(47.18, -28.84, 46.58)
CIE-LCH	lch(47.18, 54.78, 121.77°)
OKLab	oklab(53.49% -0.0827 0.1025)
OKLCH	oklch(53.49% 0.132 128.9)
XYZ	xyz(10.9741, 16.1548, 3.2989)
Luminance	0.1615 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557B16 #3C167B

analogous

#7B6E16 #557B16 #237B16

triadic

#557B16 #16557B #7B1655

tetradic

#557B16 #167B6E #3C167B #7B1623

square

#557B16 #167B6E #3C167B #7B1623

split-complementary

#557B16 #16237B #6E167B

monochromatic

#121A05 #31470D #557B16 #79AF1F #9BDA31

Accessibility & contrast

On white

4.96

#557B16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#557B16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557B16

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557B16	#FFFFFF	#000000	##FFFFFF
##557B16	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817200

Deuteranopia (green-blind)

#7C6F21

Tritanopia (blue-blind)

#587568

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #557b16;
/* rgb */ color: rgb(85, 123, 22);
/* oklch */ color: oklch(53.5% 0.132 128.9);

Tailwind

colors: {
  custom: {
    50: '#89a15d',
    500: '#557b16',
    950: '#000000',
  },
}

SCSS

$custom: #557b16;
$custom-light: #89a15d;
$custom-dark: #000000;

JSON

{
  "hex": "#557b16",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 22
  },
  "hsl": {
    "h": 82.574,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.53491,
    "c": 0.13172,
    "h": 128.9
  },
  "luminance": 0.16155
}

Semantic roles & 50–950 ramp

primary

#557B16

secondary

#683DB0

accent

#3BEC7E

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #557B16

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

Preview Lab → · Contrast checker → · Palette generator →