#647F1A#647F1A

#647F1A is a mid, vivid yellow-green. Relative luminance 0.180; OKLCH L 55.6% C 0.127 H 124.0°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#647F1A
RGB	rgb(100, 127, 26)
HSL	hsl(76, 66%, 30%)
HSV	hsv(76, 80%, 50%)
CMYK	cmyk(21.3%, 0%, 79.5%, 50.2%)
CIE-LAB	lab(49.45, -24.29, 47.73)
CIE-LCH	lch(49.45, 53.56, 116.97°)
OKLab	oklab(55.6% -0.0709 0.1052)
OKLCH	oklch(55.6% 0.127 124)
XYZ	xyz(13.0315, 17.9625, 3.7577)
Luminance	0.1796 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647F1A #351A7F

analogous

#7F681A #647F1A #317F1A

triadic

#647F1A #1A647F #7F1A64

tetradic

#647F1A #1A7F68 #351A7F #7F1A31

square

#647F1A #1A7F68 #351A7F #7F1A31

split-complementary

#647F1A #1A317F #681A7F

monochromatic

#141905 #3C4C10 #647F1A #8CB224 #AED73C

Accessibility & contrast

On white

4.57

#647F1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#647F1A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647F1A

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647F1A	#FFFFFF	#000000	##000000
##647F1A	1.00	4.57	4.59	4.59
#FFFFFF	4.57	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)

#877601

Deuteranopia (green-blind)

#837524

Tritanopia (blue-blind)

#69786C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647f1a;
/* rgb */ color: rgb(100, 127, 26);
/* oklch */ color: oklch(55.6% 0.127 124.0);

Tailwind

colors: {
  custom: {
    50: '#93a460',
    500: '#647f1a',
    950: '#000000',
  },
}

SCSS

$custom: #647f1a;
$custom-light: #93a460;
$custom-dark: #000000;

JSON

{
  "hex": "#647f1a",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 26
  },
  "hsl": {
    "h": 76.04,
    "s": 66.013,
    "l": 30
  },
  "oklch": {
    "l": 0.55598,
    "c": 0.12691,
    "h": 124
  },
  "luminance": 0.17963
}

Semantic roles & 50–950 ramp

primary

#647F1A

secondary

#6042B3

accent

#3FE96C

background

#F9FAF5

surface

#F2F4EA

border

#CCCEC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #647F1A

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

Preview Lab → · Contrast checker → · Palette generator →