#647A17#647A17

#647A17 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	#647A17
RGB	rgb(100, 122, 23)
HSL	hsl(73, 68%, 28%)
HSV	hsv(73, 81%, 48%)
CMYK	cmyk(18%, 0%, 81.1%, 52.2%)
CIE-LAB	lab(47.87, -21.91, 47.26)
CIE-LCH	lch(47.87, 52.09, 114.87°)
OKLab	oklab(54.31% -0.0647 0.1037)
OKLCH	oklch(54.31% 0.122 122)
XYZ	xyz(12.3699, 16.6902, 3.3803)
Luminance	0.1669 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647A17 #2D177A

analogous

#7A5E17 #647A17 #327A17

triadic

#647A17 #17647A #7A1764

tetradic

#647A17 #177A5E #2D177A #7A1732

square

#647A17 #177A5E #2D177A #7A1732

split-complementary

#647A17 #17327A #5E177A

monochromatic

#151A05 #3A470D #647A17 #8EAD21 #B4D933

Accessibility & contrast

On white

4.84

#647A17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#647A17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647A17

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647A17	#FFFFFF	#000000	##FFFFFF
##647A17	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)

#7F7221

Tritanopia (blue-blind)

#6A7368

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #647a17;
/* rgb */ color: rgb(100, 122, 23);
/* oklch */ color: oklch(54.3% 0.122 122.0);

Tailwind

colors: {
  custom: {
    50: '#93a05e',
    500: '#647a17',
    950: '#000000',
  },
}

SCSS

$custom: #647a17;
$custom-light: #93a05e;
$custom-dark: #000000;

JSON

{
  "hex": "#647a17",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 23
  },
  "hsl": {
    "h": 73.333,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.54313,
    "c": 0.1222,
    "h": 122
  },
  "luminance": 0.1669
}

Semantic roles & 50–950 ramp

primary

#647A17

secondary

#573EAF

accent

#3DEB63

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #647A17

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

Preview Lab → · Contrast checker → · Palette generator →