#647F11#647F11

#647F11 is a mid, vivid yellow-green. Relative luminance 0.179; OKLCH L 55.6% C 0.131 H 123.6°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#647F11
RGB	rgb(100, 127, 17)
HSL	hsl(75, 76%, 28%)
HSV	hsv(75, 87%, 50%)
CMYK	cmyk(21.3%, 0%, 86.6%, 50.2%)
CIE-LAB	lab(49.41, -24.68, 50.36)
CIE-LCH	lch(49.41, 56.08, 116.10°)
OKLab	oklab(55.55% -0.0727 0.1093)
OKLCH	oklch(55.55% 0.131 123.6)
XYZ	xyz(12.9463, 17.9284, 3.3087)
Luminance	0.1793 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647F11 #2C117F

analogous

#7F6311 #647F11 #2D7F11

triadic

#647F11 #11647F #7F1164

tetradic

#647F11 #117F63 #2C117F #7F112D

square

#647F11 #117F63 #2C117F #7F112D

split-complementary

#647F11 #112D7F #63117F

monochromatic

#151B04 #39490A #647F11 #8EB518 #B5E228

Accessibility & contrast

On white

4.58

#647F11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#647F11 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647F11

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647F11	#FFFFFF	#000000	##000000
##647F11	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#877600

Deuteranopia (green-blind)

#83751E

Tritanopia (blue-blind)

#6A786C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #647f11;
/* rgb */ color: rgb(100, 127, 17);
/* oklch */ color: oklch(55.6% 0.131 123.6);

Tailwind

colors: {
  custom: {
    50: '#94a45c',
    500: '#647f11',
    950: '#000000',
  },
}

SCSS

$custom: #647f11;
$custom-light: #94a45c;
$custom-dark: #000000;

JSON

{
  "hex": "#647f11",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 17
  },
  "hsl": {
    "h": 74.727,
    "s": 76.389,
    "l": 28.235
  },
  "oklch": {
    "l": 0.55551,
    "c": 0.1312,
    "h": 123.6
  },
  "luminance": 0.17929
}

Semantic roles & 50–950 ramp

primary

#647F11

secondary

#5637B5

accent

#35F364

background

#F9FAF5

surface

#F2F4E9

border

#CCCEC5

text

#0E0F05

muted

#7E7F79

Preview Lab

Preview with #647F11

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

Preview Lab → · Contrast checker → · Palette generator →