#647E15#647E15

#647E15 is a mid, vivid yellow-green. Relative luminance 0.177; OKLCH L 55.3% C 0.128 H 123.4°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#647E15
RGB	rgb(100, 126, 21)
HSL	hsl(75, 71%, 29%)
HSV	hsv(75, 83%, 49%)
CMYK	cmyk(20.6%, 0%, 83.3%, 50.6%)
CIE-LAB	lab(49.11, -24.02, 49.00)
CIE-LCH	lch(49.11, 54.57, 116.12°)
OKLab	oklab(55.32% -0.0706 0.107)
OKLCH	oklch(55.32% 0.128 123.4)
XYZ	xyz(12.8519, 17.6851, 3.4458)
Luminance	0.1769 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647E15 #2F157E

analogous

#7E6415 #647E15 #307E15

triadic

#647E15 #15647E #7E1564

tetradic

#647E15 #157E64 #2F157E #7E1530

square

#647E15 #157E64 #2F157E #7E1530

split-complementary

#647E15 #15307E #64157E

monochromatic

#151A04 #3A4A0C #647E15 #8EB21E #B2DD31

Accessibility & contrast

On white

4.63

#647E15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#647E15 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #647E15

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647E15	#FFFFFF	#000000	##FFFFFF
##647E15	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	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)

#827520

Tritanopia (blue-blind)

#69776B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #647e15;
/* rgb */ color: rgb(100, 126, 21);
/* oklch */ color: oklch(55.3% 0.128 123.4);

Tailwind

colors: {
  custom: {
    50: '#94a35d',
    500: '#647e15',
    950: '#000000',
  },
}

SCSS

$custom: #647e15;
$custom-light: #94a35d;
$custom-dark: #000000;

JSON

{
  "hex": "#647e15",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 21
  },
  "hsl": {
    "h": 74.857,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.55316,
    "c": 0.12822,
    "h": 123.4
  },
  "luminance": 0.17685
}

Semantic roles & 50–950 ramp

primary

#647E15

secondary

#593CB3

accent

#3AEE66

background

#F9FAF5

surface

#F2F3E9

border

#CCCDC5

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #647E15

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

Preview Lab → · Contrast checker → · Palette generator →