#647B1A#647B1A

#647B1A is a mid, vivid yellow-green. Relative luminance 0.170; OKLCH L 54.6% C 0.122 H 122.5°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#647B1A
RGB	rgb(100, 123, 26)
HSL	hsl(74, 65%, 29%)
HSV	hsv(74, 79%, 48%)
CMYK	cmyk(18.7%, 0%, 78.9%, 51.8%)
CIE-LAB	lab(48.20, -22.27, 46.56)
CIE-LCH	lch(48.20, 51.61, 115.56°)
OKLab	oklab(54.58% -0.0654 0.1028)
OKLCH	oklch(54.58% 0.122 122.5)
XYZ	xyz(12.5251, 16.9498, 3.5889)
Luminance	0.1695 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B1A #311A7B

analogous

#7B621A #647B1A #347B1A

triadic

#647B1A #1A647B #7B1A64

tetradic

#647B1A #1A7B62 #311A7B #7B1A34

square

#647B1A #1A7B62 #311A7B #7B1A34

split-complementary

#647B1A #1A347B #621A7B

monochromatic

#151905 #3B480F #647B1A #8DAE25 #B1D53A

Accessibility & contrast

On white

4.78

#647B1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#647B1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B1A

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B1A	#FFFFFF	#000000	##FFFFFF
##647B1A	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837303

Deuteranopia (green-blind)

#807223

Tritanopia (blue-blind)

#6A7469

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #647b1a;
/* rgb */ color: rgb(100, 123, 26);
/* oklch */ color: oklch(54.6% 0.122 122.5);

Tailwind

colors: {
  custom: {
    50: '#93a15f',
    500: '#647b1a',
    950: '#000000',
  },
}

SCSS

$custom: #647b1a;
$custom-light: #93a15f;
$custom-dark: #000000;

JSON

{
  "hex": "#647b1a",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 26
  },
  "hsl": {
    "h": 74.227,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.54584,
    "c": 0.12181,
    "h": 122.5
  },
  "luminance": 0.1695
}

Semantic roles & 50–950 ramp

primary

#647B1A

secondary

#5C42AF

accent

#40E868

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0F05

muted

#7E7E79

Preview Lab

Preview with #647B1A

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

Preview Lab → · Contrast checker → · Palette generator →