#647C28#647C28

#647C28 is a mid, moderate yellow-green. Relative luminance 0.173; OKLCH L 54.9% C 0.113 H 123.8°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#647C28
RGB	rgb(100, 124, 40)
HSL	hsl(77, 51%, 32%)
HSV	hsv(77, 68%, 49%)
CMYK	cmyk(19.4%, 0%, 67.7%, 51.4%)
CIE-LAB	lab(48.61, -21.89, 41.41)
CIE-LCH	lch(48.61, 46.84, 117.86°)
OKLab	oklab(54.95% -0.0631 0.0943)
OKLCH	oklch(54.95% 0.113 123.8)
XYZ	xyz(12.8463, 17.2777, 4.6652)
Luminance	0.1728 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C28 #40287C

analogous

#7C6A28 #647C28 #3A7C28

triadic

#647C28 #28647C #7C2864

tetradic

#647C28 #287C6A #40287C #7C283A

square

#647C28 #287C6A #40287C #7C283A

split-complementary

#647C28 #283A7C #6A287C

monochromatic

#191F0A #3F4E19 #647C28 #89AA37 #A8C856

Accessibility & contrast

On white

4.71

#647C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#647C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C28

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C28	#FFFFFF	#000000	##FFFFFF
##647C28	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#83741D

Deuteranopia (green-blind)

#80732E

Tritanopia (blue-blind)

#69766B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647c28;
/* rgb */ color: rgb(100, 124, 40);
/* oklch */ color: oklch(54.9% 0.113 123.8);

Tailwind

colors: {
  custom: {
    50: '#93a267',
    500: '#647c28',
    950: '#000000',
  },
}

SCSS

$custom: #647c28;
$custom-light: #93a267;
$custom-dark: #000000;

JSON

{
  "hex": "#647c28",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 40
  },
  "hsl": {
    "h": 77.143,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.54948,
    "c": 0.11341,
    "h": 123.8
  },
  "luminance": 0.17278
}

Semantic roles & 50–950 ramp

primary

#647C28

secondary

#6C52AD

accent

#4DDB76

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0F06

muted

#7E7E7A

Preview Lab

Preview with #647C28

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

Preview Lab → · Contrast checker → · Palette generator →