#557A1B#557A1B

#557A1B is a mid, vivid yellow-green. Relative luminance 0.159; OKLCH L 53.3% C 0.128 H 129.0°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#557A1B
RGB	rgb(85, 122, 27)
HSL	hsl(83, 64%, 29%)
HSV	hsv(83, 78%, 48%)
CMYK	cmyk(30.3%, 0%, 77.9%, 52.2%)
CIE-LAB	lab(46.88, -28.09, 44.60)
CIE-LCH	lch(46.88, 52.71, 122.20°)
OKLab	oklab(53.26% -0.0803 0.0992)
OKLCH	oklch(53.26% 0.128 129)
XYZ	xyz(10.9037, 15.9292, 3.5369)
Luminance	0.1593 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557A1B #401B7A

analogous

#7A701B #557A1B #267A1B

triadic

#557A1B #1B557A #7A1B55

tetradic

#557A1B #1B7A70 #401B7A #7A1B26

square

#557A1B #1B7A70 #401B7A #7A1B26

split-complementary

#557A1B #1B267A #701B7A

monochromatic

#111906 #324810 #557A1B #78AC26 #99D43C

Accessibility & contrast

On white

5.02

#557A1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#557A1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557A1B

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557A1B	#FFFFFF	#000000	##FFFFFF
##557A1B	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807106

Deuteranopia (green-blind)

#7B6E24

Tritanopia (blue-blind)

#587468

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #557a1b;
/* rgb */ color: rgb(85, 122, 27);
/* oklch */ color: oklch(53.3% 0.128 129.0);

Tailwind

colors: {
  custom: {
    50: '#88a05f',
    500: '#557a1b',
    950: '#000000',
  },
}

SCSS

$custom: #557a1b;
$custom-light: #88a05f;
$custom-dark: #000000;

JSON

{
  "hex": "#557a1b",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 27
  },
  "hsl": {
    "h": 83.368,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.5326,
    "c": 0.12763,
    "h": 129
  },
  "luminance": 0.15929
}

Semantic roles & 50–950 ramp

primary

#557A1B

secondary

#6D43AE

accent

#41E782

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0C0E05

muted

#7D7E79

Preview Lab

Preview with #557A1B

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

Preview Lab → · Contrast checker → · Palette generator →