#40661B#40661B

#40661B is a mid, moderate yellow-green. Relative luminance 0.107; OKLCH L 46.5% C 0.112 H 132.6°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#40661B
RGB	rgb(64, 102, 27)
HSL	hsl(90, 58%, 25%)
HSV	hsv(90, 74%, 40%)
CMYK	cmyk(37.3%, 0%, 73.5%, 60%)
CIE-LAB	lab(39.02, -26.95, 36.37)
CIE-LCH	lch(39.02, 45.26, 126.54°)
OKLab	oklab(46.52% -0.0757 0.0824)
OKLCH	oklch(46.52% 0.112 132.6)
XYZ	xyz(7.0635, 10.6716, 2.7244)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40661B #411B66

analogous

#65661B #40661B #1B661B

triadic

#40661B #1B4066 #661B40

tetradic

#40661B #1B6566 #411B66 #661B1B

square

#40661B #1B6566 #411B66 #661B1B

split-complementary

#40661B #1B1B66 #661B65

monochromatic

#0F1806 #22360E #40661B #5E9628 #7DC735

Accessibility & contrast

On white

6.70

#40661B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#40661B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40661B

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40661B	#FFFFFF	#000000	##FFFFFF
##40661B	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A5E0F

Deuteranopia (green-blind)

#655B22

Tritanopia (blue-blind)

#416257

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #40661b;
/* rgb */ color: rgb(64, 102, 27);
/* oklch */ color: oklch(46.5% 0.112 132.6);

Tailwind

colors: {
  custom: {
    50: '#78925c',
    500: '#40661b',
    950: '#000000',
  },
}

SCSS

$custom: #40661b;
$custom-light: #78925c;
$custom-dark: #000000;

JSON

{
  "hex": "#40661b",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 27
  },
  "hsl": {
    "h": 90.4,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.46524,
    "c": 0.11194,
    "h": 132.6
  },
  "luminance": 0.10672
}

Semantic roles & 50–950 ramp

primary

#40661B

secondary

#6F419B

accent

#46E195

background

#F7F9F5

surface

#EDF1E9

border

#C8CBC5

text

#090D04

muted

#7B7E79

Preview Lab

Preview with #40661B

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

Preview Lab → · Contrast checker → · Palette generator →