#647A18#647A18

#647A18 is a mid, vivid yellow-green. Relative luminance 0.167; OKLCH L 54.3% C 0.122 H 122.0°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#647A18
RGB	rgb(100, 122, 24)
HSL	hsl(73, 67%, 29%)
HSV	hsv(73, 80%, 48%)
CMYK	cmyk(18%, 0%, 80.3%, 52.2%)
CIE-LAB	lab(47.87, -21.86, 46.94)
CIE-LCH	lch(47.87, 51.78, 114.97°)
OKLab	oklab(54.32% -0.0645 0.1032)
OKLCH	oklch(54.32% 0.122 122)
XYZ	xyz(12.3801, 16.6943, 3.4341)
Luminance	0.1669 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647A18 #2E187A

analogous

#7A5F18 #647A18 #337A18

triadic

#647A18 #18647A #7A1864

tetradic

#647A18 #187A5F #2E187A #7A1833

square

#647A18 #187A5F #2E187A #7A1833

split-complementary

#647A18 #18337A #5F187A

monochromatic

#151A05 #3A470E #647A18 #8EAD22 #B3D735

Accessibility & contrast

On white

4.84

#647A18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#647A18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647A18

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647A18	#FFFFFF	#000000	##FFFFFF
##647A18	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)

#827200

Deuteranopia (green-blind)

#7F7222

Tritanopia (blue-blind)

#6A7368

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #647a18;
/* rgb */ color: rgb(100, 122, 24);
/* oklch */ color: oklch(54.3% 0.122 122.0);

Tailwind

colors: {
  custom: {
    50: '#93a05e',
    500: '#647a18',
    950: '#000000',
  },
}

SCSS

$custom: #647a18;
$custom-light: #93a05e;
$custom-dark: #000000;

JSON

{
  "hex": "#647a18",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 24
  },
  "hsl": {
    "h": 73.469,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.54319,
    "c": 0.12166,
    "h": 122
  },
  "luminance": 0.16694
}

Semantic roles & 50–950 ramp

primary

#647A18

secondary

#583FAF

accent

#3EEA64

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #647A18

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

Preview Lab → · Contrast checker → · Palette generator →