#40643B#40643B

#40643B is a mid, moderate green. Relative luminance 0.105; OKLCH L 46.4% C 0.077 H 141.4°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#40643B
RGB	rgb(64, 100, 59)
HSL	hsl(113, 26%, 31%)
HSV	hsv(113, 41%, 39%)
CMYK	cmyk(36%, 0%, 41%, 60.8%)
CIE-LAB	lab(38.76, -21.95, 19.27)
CIE-LCH	lch(38.76, 29.21, 138.71°)
OKLab	oklab(46.44% -0.0599 0.0477)
OKLCH	oklch(46.44% 0.077 141.4)
XYZ	xyz(7.4607, 10.5198, 5.7742)
Luminance	0.1052 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40643B #5F3B64

analogous

#54643B #40643B #3B644A

triadic

#40643B #3B4064 #643B40

tetradic

#40643B #3B5464 #5F3B64 #644A3B

square

#40643B #3B5464 #5F3B64 #644A3B

split-complementary

#40643B #4A3B64 #643B54

monochromatic

#0F170E #273E24 #40643B #598A52 #76AA6F

Accessibility & contrast

On white

6.77

#40643B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#40643B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40643B

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40643B	#FFFFFF	#000000	##FFFFFF
##40643B	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D38

Deuteranopia (green-blind)

#615A3D

Tritanopia (blue-blind)

#3D625A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #40643b;
/* rgb */ color: rgb(64, 100, 59);
/* oklch */ color: oklch(46.4% 0.077 141.4);

Tailwind

colors: {
  custom: {
    50: '#769071',
    500: '#40643b',
    950: '#000000',
  },
}

SCSS

$custom: #40643b;
$custom-light: #769071;
$custom-dark: #000000;

JSON

{
  "hex": "#40643b",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 59
  },
  "hsl": {
    "h": 112.683,
    "s": 25.786,
    "l": 31.176
  },
  "oklch": {
    "l": 0.46443,
    "c": 0.07658,
    "h": 141.4
  },
  "luminance": 0.1052
}

Semantic roles & 50–950 ramp

primary

#40643B

secondary

#8F6794

accent

#66C2B7

background

#F7F8F6

surface

#EDF0EC

border

#C8CBC7

text

#090C07

muted

#7B7D7A

Preview Lab

Preview with #40643B

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

Preview Lab → · Contrast checker → · Palette generator →