#647B17#647B17

#647B17 is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.6% C 0.123 H 122.4°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#647B17
RGB	rgb(100, 123, 23)
HSL	hsl(74, 68%, 29%)
HSV	hsv(74, 81%, 48%)
CMYK	cmyk(18.7%, 0%, 81.3%, 51.8%)
CIE-LAB	lab(48.18, -22.42, 47.54)
CIE-LCH	lch(48.18, 52.56, 115.24°)
OKLab	oklab(54.57% -0.0661 0.1043)
OKLCH	oklch(54.57% 0.123 122.4)
XYZ	xyz(12.4933, 16.9371, 3.4214)
Luminance	0.1694 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B17 #2E177B

analogous

#7B6017 #647B17 #327B17

triadic

#647B17 #17647B #7B1764

tetradic

#647B17 #177B60 #2E177B #7B1732

square

#647B17 #177B60 #2E177B #7B1732

split-complementary

#647B17 #17327B #60177B

monochromatic

#151A05 #3A470D #647B17 #8EAF21 #B3D933

Accessibility & contrast

On white

4.79

#647B17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#647B17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B17

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B17	#FFFFFF	#000000	##FFFFFF
##647B17	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837300

Deuteranopia (green-blind)

#807221

Tritanopia (blue-blind)

#6A7469

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #647b17;
/* rgb */ color: rgb(100, 123, 23);
/* oklch */ color: oklch(54.6% 0.123 122.4);

Tailwind

colors: {
  custom: {
    50: '#93a15e',
    500: '#647b17',
    950: '#000000',
  },
}

SCSS

$custom: #647b17;
$custom-light: #93a15e;
$custom-dark: #000000;

JSON

{
  "hex": "#647b17",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 23
  },
  "hsl": {
    "h": 73.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.54566,
    "c": 0.12346,
    "h": 122.4
  },
  "luminance": 0.16937
}

Semantic roles & 50–950 ramp

primary

#647B17

secondary

#583EB0

accent

#3CEB65

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #647B17

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

Preview Lab → · Contrast checker → · Palette generator →