#647C19#647C19

#647C19 is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.8% C 0.124 H 122.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#647C19
RGB	rgb(100, 124, 25)
HSL	hsl(75, 66%, 29%)
HSV	hsv(75, 80%, 49%)
CMYK	cmyk(19.4%, 0%, 79.8%, 51.4%)
CIE-LAB	lab(48.50, -22.83, 47.19)
CIE-LCH	lch(48.50, 52.42, 115.82°)
OKLab	oklab(54.83% -0.067 0.1039)
OKLCH	oklch(54.83% 0.124 122.8)
XYZ	xyz(12.6388, 17.1948, 3.5726)
Luminance	0.1719 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C19 #31197C

analogous

#7C6319 #647C19 #337C19

triadic

#647C19 #19647C #7C1964

tetradic

#647C19 #197C63 #31197C #7C1933

square

#647C19 #197C63 #31197C #7C1933

split-complementary

#647C19 #19337C #63197C

monochromatic

#151905 #3B490F #647C19 #8DAF23 #B1D738

Accessibility & contrast

On white

4.73

#647C19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#647C19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C19

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C19	#FFFFFF	#000000	##FFFFFF
##647C19	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#817323

Tritanopia (blue-blind)

#6A756A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647c19;
/* rgb */ color: rgb(100, 124, 25);
/* oklch */ color: oklch(54.8% 0.124 122.8);

Tailwind

colors: {
  custom: {
    50: '#93a25f',
    500: '#647c19',
    950: '#000000',
  },
}

SCSS

$custom: #647c19;
$custom-light: #93a25f;
$custom-dark: #000000;

JSON

{
  "hex": "#647c19",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 25
  },
  "hsl": {
    "h": 74.545,
    "s": 66.443,
    "l": 29.216
  },
  "oklch": {
    "l": 0.54831,
    "c": 0.12364,
    "h": 122.8
  },
  "luminance": 0.17195
}

Semantic roles & 50–950 ramp

primary

#647C19

secondary

#5C40B0

accent

#3EE968

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0F05

muted

#7E7E79

Preview Lab

Preview with #647C19

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

Preview Lab → · Contrast checker → · Palette generator →