#647B16#647B16

#647B16 is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.6% C 0.124 H 122.3°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#647B16
RGB	rgb(100, 123, 22)
HSL	hsl(74, 70%, 28%)
HSV	hsv(74, 82%, 48%)
CMYK	cmyk(18.7%, 0%, 82.1%, 51.8%)
CIE-LAB	lab(48.18, -22.46, 47.86)
CIE-LCH	lch(48.18, 52.86, 115.14°)
OKLab	oklab(54.56% -0.0663 0.1048)
OKLCH	oklch(54.56% 0.124 122.3)
XYZ	xyz(12.4835, 16.9331, 3.3697)
Luminance	0.1693 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B16 #2D167B

analogous

#7B5F16 #647B16 #327B16

triadic

#647B16 #16647B #7B1664

tetradic

#647B16 #167B5F #2D167B #7B1632

square

#647B16 #167B5F #2D167B #7B1632

split-complementary

#647B16 #16327B #5F167B

monochromatic

#151A05 #3A470D #647B16 #8EAF1F #B4DA31

Accessibility & contrast

On white

4.79

#647B16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#647B16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B16

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B16	#FFFFFF	#000000	##FFFFFF
##647B16	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)

#807220

Tritanopia (blue-blind)

#6A7469

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #647b16;
/* rgb */ color: rgb(100, 123, 22);
/* oklch */ color: oklch(54.6% 0.124 122.3);

Tailwind

colors: {
  custom: {
    50: '#93a15d',
    500: '#647b16',
    950: '#000000',
  },
}

SCSS

$custom: #647b16;
$custom-light: #93a15d;
$custom-dark: #000000;

JSON

{
  "hex": "#647b16",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 22
  },
  "hsl": {
    "h": 73.663,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.54561,
    "c": 0.12397,
    "h": 122.3
  },
  "luminance": 0.16933
}

Semantic roles & 50–950 ramp

primary

#647B16

secondary

#573DB0

accent

#3BEC64

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #647B16

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

Preview Lab → · Contrast checker → · Palette generator →