#404E40#404E40

#404E40 is a dark, muted green. Relative luminance 0.069; OKLCH L 40.7% C 0.029 H 145.0°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#404E40
RGB	rgb(64, 78, 64)
HSL	hsl(120, 10%, 28%)
HSV	hsv(120, 18%, 31%)
CMYK	cmyk(17.9%, 0%, 17.9%, 69.4%)
CIE-LAB	lab(31.60, -8.73, 6.47)
CIE-LCH	lch(31.60, 10.86, 143.43°)
OKLab	oklab(40.72% -0.0239 0.0167)
OKLCH	oklch(40.72% 0.029 145)
XYZ	xyz(5.7639, 6.9088, 5.8794)
Luminance	0.0691 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404E40 #4E404E

analogous

#474E40 #404E40 #404E47

triadic

#404E40 #40404E #4E4040

tetradic

#404E40 #40474E #4E404E #4E4740

square

#404E40 #40474E #4E404E #4E4740

split-complementary

#404E40 #47404E #4E4047

monochromatic

#0E110E #242C24 #404E40 #5C705C #789078

Accessibility & contrast

On white

8.82

#404E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#404E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404E40

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404E40	#FFFFFF	#000000	##FFFFFF
##404E40	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B3F

Deuteranopia (green-blind)

#4C4A41

Tritanopia (blue-blind)

#3F4D4A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #404e40;
/* rgb */ color: rgb(64, 78, 64);
/* oklch */ color: oklch(40.7% 0.029 145.0);

Tailwind

colors: {
  custom: {
    50: '#757f74',
    500: '#404e40',
    950: '#000000',
  },
}

SCSS

$custom: #404e40;
$custom-light: #757f74;
$custom-dark: #000000;

JSON

{
  "hex": "#404e40",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 9.859,
    "l": 27.843
  },
  "oklch": {
    "l": 0.40717,
    "c": 0.02915,
    "h": 145
  },
  "luminance": 0.06909
}

Semantic roles & 50–950 ramp

primary

#404E40

secondary

#7D6D7D

accent

#75B3B3

background

#F7F7F7

surface

#EDEEED

border

#C8C9C8

text

#080A08

muted

#7B7C7B

Preview Lab

Preview with #404E40

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

Preview Lab → · Contrast checker → · Palette generator →