#647E17#647E17

#647E17 is a mid, vivid yellow-green. Relative luminance 0.177; OKLCH L 55.3% C 0.127 H 123.5°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#647E17
RGB	rgb(100, 126, 23)
HSL	hsl(75, 69%, 29%)
HSV	hsv(75, 82%, 49%)
CMYK	cmyk(20.6%, 0%, 81.7%, 50.6%)
CIE-LAB	lab(49.12, -23.93, 48.40)
CIE-LCH	lch(49.12, 54.00, 116.31°)
OKLab	oklab(55.33% -0.0702 0.1061)
OKLCH	oklch(55.33% 0.127 123.5)
XYZ	xyz(12.8712, 17.6928, 3.5474)
Luminance	0.1769 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647E17 #31177E

analogous

#7E6517 #647E17 #307E17

triadic

#647E17 #17647E #7E1764

tetradic

#647E17 #177E65 #31177E #7E1730

square

#647E17 #177E65 #31177E #7E1730

split-complementary

#647E17 #17307E #65177E

monochromatic

#151A05 #3B4A0E #647E17 #8DB220 #B1DA35

Accessibility & contrast

On white

4.63

#647E17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#647E17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #647E17

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647E17	#FFFFFF	#000000	##FFFFFF
##647E17	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867500

Deuteranopia (green-blind)

#827522

Tritanopia (blue-blind)

#69776B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #647e17;
/* rgb */ color: rgb(100, 126, 23);
/* oklch */ color: oklch(55.3% 0.127 123.5);

Tailwind

colors: {
  custom: {
    50: '#93a35e',
    500: '#647e17',
    950: '#000000',
  },
}

SCSS

$custom: #647e17;
$custom-light: #93a35e;
$custom-dark: #000000;

JSON

{
  "hex": "#647e17",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 23
  },
  "hsl": {
    "h": 75.146,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.55327,
    "c": 0.12724,
    "h": 123.5
  },
  "luminance": 0.17693
}

Semantic roles & 50–950 ramp

primary

#647E17

secondary

#5C3EB3

accent

#3CEC68

background

#F9FAF5

surface

#F2F3EA

border

#CCCDC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #647E17

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

Preview Lab → · Contrast checker → · Palette generator →