#557F1B#557F1B

#557F1B is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.6% C 0.134 H 130.2°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#557F1B
RGB	rgb(85, 127, 27)
HSL	hsl(85, 65%, 30%)
HSV	hsv(85, 79%, 50%)
CMYK	cmyk(33.1%, 0%, 78.7%, 50.2%)
CIE-LAB	lab(48.50, -30.47, 46.15)
CIE-LCH	lch(48.50, 55.30, 123.43°)
OKLab	oklab(54.58% -0.0867 0.1025)
OKLCH	oklch(54.58% 0.134 130.2)
XYZ	xyz(11.5335, 17.1888, 3.7468)
Luminance	0.1719 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557F1B #451B7F

analogous

#7F771B #557F1B #237F1B

triadic

#557F1B #1B557F #7F1B55

tetradic

#557F1B #1B7F77 #451B7F #7F1B23

square

#557F1B #1B7F77 #451B7F #7F1B23

split-complementary

#557F1B #1B237F #771B7F

monochromatic

#111A06 #334D10 #557F1B #77B126 #96D63E

Accessibility & contrast

On white

4.73

#557F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#557F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557F1B

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557F1B	#FFFFFF	#000000	##FFFFFF
##557F1B	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857503

Deuteranopia (green-blind)

#7F7225

Tritanopia (blue-blind)

#57796C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #557f1b;
/* rgb */ color: rgb(85, 127, 27);
/* oklch */ color: oklch(54.6% 0.134 130.2);

Tailwind

colors: {
  custom: {
    50: '#89a460',
    500: '#557f1b',
    950: '#000000',
  },
}

SCSS

$custom: #557f1b;
$custom-light: #89a460;
$custom-dark: #000000;

JSON

{
  "hex": "#557f1b",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 27
  },
  "hsl": {
    "h": 85.2,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.54575,
    "c": 0.13423,
    "h": 130.2
  },
  "luminance": 0.17189
}

Semantic roles & 50–950 ramp

primary

#557F1B

secondary

#7243B3

accent

#40E886

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #557F1B

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

Preview Lab → · Contrast checker → · Palette generator →