#647B13#647B13

#647B13 is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.5% C 0.125 H 122.2°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#647B13
RGB	rgb(100, 123, 19)
HSL	hsl(73, 73%, 28%)
HSV	hsv(73, 85%, 48%)
CMYK	cmyk(18.7%, 0%, 84.6%, 51.8%)
CIE-LAB	lab(48.16, -22.59, 48.74)
CIE-LCH	lch(48.16, 53.72, 114.87°)
OKLab	oklab(54.55% -0.0668 0.1061)
OKLCH	oklch(54.55% 0.125 122.2)
XYZ	xyz(12.4562, 16.9222, 3.2261)
Luminance	0.1692 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B13 #2A137B

analogous

#7B5E13 #647B13 #307B13

triadic

#647B13 #13647B #7B1364

tetradic

#647B13 #137B5E #2A137B #7B1330

square

#647B13 #137B5E #2A137B #7B1330

split-complementary

#647B13 #13307B #5E137B

monochromatic

#161B04 #39460B #647B13 #8FB01B #B6DE2A

Accessibility & contrast

On white

4.79

#647B13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#647B13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B13

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B13	#FFFFFF	#000000	##FFFFFF
##647B13	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837300

Deuteranopia (green-blind)

#80721E

Tritanopia (blue-blind)

#6A7468

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #647b13;
/* rgb */ color: rgb(100, 123, 19);
/* oklch */ color: oklch(54.5% 0.125 122.2);

Tailwind

colors: {
  custom: {
    50: '#94a15c',
    500: '#647b13',
    950: '#000000',
  },
}

SCSS

$custom: #647b13;
$custom-light: #94a15c;
$custom-dark: #000000;

JSON

{
  "hex": "#647b13",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 19
  },
  "hsl": {
    "h": 73.269,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.54545,
    "c": 0.12541,
    "h": 122.2
  },
  "luminance": 0.16922
}

Semantic roles & 50–950 ramp

primary

#647B13

secondary

#5339B1

accent

#38F061

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E04

muted

#7E7E79

Preview Lab

Preview with #647B13

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

Preview Lab → · Contrast checker → · Palette generator →