#647E1A#647E1A

#647E1A is a mid, vivid yellow-green. Relative luminance 0.177; OKLCH L 55.3% C 0.126 H 123.6°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#647E1A
RGB	rgb(100, 126, 26)
HSL	hsl(76, 66%, 30%)
HSV	hsv(76, 79%, 49%)
CMYK	cmyk(20.6%, 0%, 79.4%, 50.6%)
CIE-LAB	lab(49.14, -23.79, 47.44)
CIE-LCH	lch(49.14, 53.07, 116.63°)
OKLab	oklab(55.34% -0.0696 0.1046)
OKLCH	oklch(55.34% 0.126 123.6)
XYZ	xyz(12.9030, 17.7055, 3.7148)
Luminance	0.1771 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647E1A #341A7E

analogous

#7E661A #647E1A #327E1A

triadic

#647E1A #1A647E #7E1A64

tetradic

#647E1A #1A7E66 #341A7E #7E1A32

square

#647E1A #1A7E66 #341A7E #7E1A32

split-complementary

#647E1A #1A327E #661A7E

monochromatic

#141905 #3C4B10 #647E1A #8CB124 #AED73C

Accessibility & contrast

On white

4.62

#647E1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#647E1A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #647E1A

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647E1A	#FFFFFF	#000000	##FFFFFF
##647E1A	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867601

Deuteranopia (green-blind)

#827524

Tritanopia (blue-blind)

#69776B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #647e1a;
/* rgb */ color: rgb(100, 126, 26);
/* oklch */ color: oklch(55.3% 0.126 123.6);

Tailwind

colors: {
  custom: {
    50: '#93a360',
    500: '#647e1a',
    950: '#000000',
  },
}

SCSS

$custom: #647e1a;
$custom-light: #93a360;
$custom-dark: #000000;

JSON

{
  "hex": "#647e1a",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 26
  },
  "hsl": {
    "h": 75.6,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.55344,
    "c": 0.12563,
    "h": 123.6
  },
  "luminance": 0.17706
}

Semantic roles & 50–950 ramp

primary

#647E1A

secondary

#5F42B2

accent

#3FE96B

background

#F9FAF5

surface

#F2F3EA

border

#CCCDC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #647E1A

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

Preview Lab → · Contrast checker → · Palette generator →