#647A19#647A19

#647A19 is a mid, vivid yellow-green. Relative luminance 0.167; OKLCH L 54.3% C 0.121 H 122.0°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#647A19
RGB	rgb(100, 122, 25)
HSL	hsl(74, 66%, 29%)
HSV	hsv(74, 80%, 48%)
CMYK	cmyk(18%, 0%, 79.5%, 52.2%)
CIE-LAB	lab(47.88, -21.81, 46.60)
CIE-LCH	lch(47.88, 51.46, 115.08°)
OKLab	oklab(54.33% -0.0642 0.1027)
OKLCH	oklch(54.33% 0.121 122)
XYZ	xyz(12.3907, 16.6986, 3.4899)
Luminance	0.1670 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647A19 #2F197A

analogous

#7A6019 #647A19 #347A19

triadic

#647A19 #19647A #7A1964

tetradic

#647A19 #197A60 #2F197A #7A1934

square

#647A19 #197A60 #2F197A #7A1934

split-complementary

#647A19 #19347A #60197A

monochromatic

#151905 #3A470F #647A19 #8EAD23 #B2D637

Accessibility & contrast

On white

4.84

#647A19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#647A19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647A19

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647A19	#FFFFFF	#000000	##FFFFFF
##647A19	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827201

Deuteranopia (green-blind)

#7F7222

Tritanopia (blue-blind)

#6A7368

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #647a19;
/* rgb */ color: rgb(100, 122, 25);
/* oklch */ color: oklch(54.3% 0.121 122.0);

Tailwind

colors: {
  custom: {
    50: '#93a05f',
    500: '#647a19',
    950: '#000000',
  },
}

SCSS

$custom: #647a19;
$custom-light: #93a05f;
$custom-dark: #000000;

JSON

{
  "hex": "#647a19",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 25
  },
  "hsl": {
    "h": 73.608,
    "s": 65.986,
    "l": 28.824
  },
  "oklch": {
    "l": 0.54325,
    "c": 0.12111,
    "h": 122
  },
  "luminance": 0.16699
}

Semantic roles & 50–950 ramp

primary

#647A19

secondary

#5940AF

accent

#3FE965

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #647A19

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

Preview Lab → · Contrast checker → · Palette generator →