#647E11#647E11

#647E11 is a mid, vivid yellow-green. Relative luminance 0.177; OKLCH L 55.3% C 0.130 H 123.3°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#647E11
RGB	rgb(100, 126, 17)
HSL	hsl(74, 76%, 28%)
HSV	hsv(74, 87%, 49%)
CMYK	cmyk(20.6%, 0%, 86.5%, 50.6%)
CIE-LAB	lab(49.10, -24.18, 50.09)
CIE-LCH	lch(49.10, 55.62, 115.76°)
OKLab	oklab(55.3% -0.0713 0.1087)
OKLCH	oklch(55.3% 0.13 123.3)
XYZ	xyz(12.8177, 17.6714, 3.2659)
Luminance	0.1767 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647E11 #2B117E

analogous

#7E6111 #647E11 #2D7E11

triadic

#647E11 #11647E #7E1164

tetradic

#647E11 #117E61 #2B117E #7E112D

square

#647E11 #117E61 #2B117E #7E112D

split-complementary

#647E11 #112D7E #61117E

monochromatic

#151B04 #39480A #647E11 #8FB418 #B5E227

Accessibility & contrast

On white

4.63

#647E11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#647E11 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #647E11

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647E11	#FFFFFF	#000000	##FFFFFF
##647E11	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	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)

#83751E

Tritanopia (blue-blind)

#6A776B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #647e11;
/* rgb */ color: rgb(100, 126, 17);
/* oklch */ color: oklch(55.3% 0.130 123.3);

Tailwind

colors: {
  custom: {
    50: '#94a35c',
    500: '#647e11',
    950: '#000000',
  },
}

SCSS

$custom: #647e11;
$custom-light: #94a35c;
$custom-dark: #000000;

JSON

{
  "hex": "#647e11",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 17
  },
  "hsl": {
    "h": 74.312,
    "s": 76.224,
    "l": 28.039
  },
  "oklch": {
    "l": 0.55297,
    "c": 0.12997,
    "h": 123.3
  },
  "luminance": 0.17672
}

Semantic roles & 50–950 ramp

primary

#647E11

secondary

#5537B4

accent

#35F362

background

#F9FAF5

surface

#F2F3E9

border

#CCCDC5

text

#0E0F04

muted

#7E7F79

Preview Lab

Preview with #647E11

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

Preview Lab → · Contrast checker → · Palette generator →