#647C1C#647C1C

#647C1C is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.9% C 0.122 H 123.0°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#647C1C
RGB	rgb(100, 124, 28)
HSL	hsl(75, 63%, 30%)
HSV	hsv(75, 77%, 49%)
CMYK	cmyk(19.4%, 0%, 77.4%, 51.4%)
CIE-LAB	lab(48.52, -22.67, 46.16)
CIE-LCH	lch(48.52, 51.43, 116.16°)
OKLab	oklab(54.85% -0.0664 0.1023)
OKLCH	oklch(54.85% 0.122 123)
XYZ	xyz(12.6729, 17.2084, 3.7523)
Luminance	0.1721 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C1C #341C7C

analogous

#7C641C #647C1C #347C1C

triadic

#647C1C #1C647C #7C1C64

tetradic

#647C1C #1C7C64 #341C7C #7C1C34

square

#647C1C #1C7C64 #341C7C #7C1C34

split-complementary

#647C1C #1C347C #641C7C

monochromatic

#141906 #3C4A11 #647C1C #8CAE27 #AED43F

Accessibility & contrast

On white

4.73

#647C1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#647C1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C1C

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C1C	#FFFFFF	#000000	##FFFFFF
##647C1C	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)

#847407

Deuteranopia (green-blind)

#807325

Tritanopia (blue-blind)

#69756A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647c1c;
/* rgb */ color: rgb(100, 124, 28);
/* oklch */ color: oklch(54.9% 0.122 123.0);

Tailwind

colors: {
  custom: {
    50: '#93a260',
    500: '#647c1c',
    950: '#000000',
  },
}

SCSS

$custom: #647c1c;
$custom-light: #93a260;
$custom-dark: #000000;

JSON

{
  "hex": "#647c1c",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 28
  },
  "hsl": {
    "h": 75,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.5485,
    "c": 0.1219,
    "h": 123
  },
  "luminance": 0.17208
}

Semantic roles & 50–950 ramp

primary

#647C1C

secondary

#5F44B0

accent

#42E66B

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0F05

muted

#7E7E79

Preview Lab

Preview with #647C1C

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

Preview Lab → · Contrast checker → · Palette generator →