#557E1B#557E1B

#557E1B is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.3% C 0.133 H 130.0°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#557E1B
RGB	rgb(85, 126, 27)
HSL	hsl(85, 65%, 30%)
HSV	hsv(85, 79%, 49%)
CMYK	cmyk(32.5%, 0%, 78.6%, 50.6%)
CIE-LAB	lab(48.17, -30.00, 45.84)
CIE-LCH	lch(48.17, 54.78, 123.20°)
OKLab	oklab(54.31% -0.0854 0.1018)
OKLCH	oklch(54.31% 0.133 130)
XYZ	xyz(11.4049, 16.9318, 3.7040)
Luminance	0.1693 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557E1B #441B7E

analogous

#7E751B #557E1B #247E1B

triadic

#557E1B #1B557E #7E1B55

tetradic

#557E1B #1B7E75 #441B7E #7E1B24

square

#557E1B #1B7E75 #441B7E #7E1B24

split-complementary

#557E1B #1B247E #751B7E

monochromatic

#111905 #334C10 #557E1B #77B026 #97D63E

Accessibility & contrast

On white

4.79

#557E1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#557E1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557E1B

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557E1B	#FFFFFF	#000000	##FFFFFF
##557E1B	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847404

Deuteranopia (green-blind)

#7F7125

Tritanopia (blue-blind)

#57786B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #557e1b;
/* rgb */ color: rgb(85, 126, 27);
/* oklch */ color: oklch(54.3% 0.133 130.0);

Tailwind

colors: {
  custom: {
    50: '#89a360',
    500: '#557e1b',
    950: '#000000',
  },
}

SCSS

$custom: #557e1b;
$custom-light: #89a360;
$custom-dark: #000000;

JSON

{
  "hex": "#557e1b",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 27
  },
  "hsl": {
    "h": 84.848,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.54312,
    "c": 0.13292,
    "h": 130
  },
  "luminance": 0.16932
}

Semantic roles & 50–950 ramp

primary

#557E1B

secondary

#7143B2

accent

#40E886

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #557E1B

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

Preview Lab → · Contrast checker → · Palette generator →