#424B3D#424B3D

#424B3D is a dark, muted yellow-green. Relative luminance 0.065; OKLCH L 40.0% C 0.026 H 134.4°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#424B3D
RGB	rgb(66, 75, 61)
HSL	hsl(99, 10%, 27%)
HSV	hsv(99, 19%, 29%)
CMYK	cmyk(12%, 0%, 18.7%, 70.6%)
CIE-LAB	lab(30.71, -6.70, 7.14)
CIE-LCH	lch(30.71, 9.79, 133.16°)
OKLab	oklab(40.02% -0.018 0.0184)
OKLCH	oklch(40.02% 0.026 134.4)
XYZ	xyz(5.6050, 6.5273, 5.3786)
Luminance	0.0653 (WCAG relative)
Temperature	neutral
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B3D #463D4B

analogous

#494B3D #424B3D #3D4B3F

triadic

#424B3D #3D424B #4B3D42

tetradic

#424B3D #3D494B #463D4B #4B3F3D

square

#424B3D #3D494B #463D4B #4B3F3D

split-complementary

#424B3D #3F3D4B #4B3D49

monochromatic

#0F110E #242922 #424B3D #606D58 #7E8E74

Accessibility & contrast

On white

9.11

#424B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#424B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B3D

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B3D	#FFFFFF	#000000	##FFFFFF
##424B3D	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C493C

Deuteranopia (green-blind)

#4B483E

Tritanopia (blue-blind)

#424A47

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #424b3d;
/* rgb */ color: rgb(66, 75, 61);
/* oklch */ color: oklch(40.0% 0.026 134.4);

Tailwind

colors: {
  custom: {
    50: '#767d72',
    500: '#424b3d',
    950: '#000000',
  },
}

SCSS

$custom: #424b3d;
$custom-light: #767d72;
$custom-dark: #000000;

JSON

{
  "hex": "#424b3d",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 61
  },
  "hsl": {
    "h": 98.571,
    "s": 10.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.40021,
    "c": 0.02575,
    "h": 134.4
  },
  "luminance": 0.06527
}

Semantic roles & 50–950 ramp

primary

#424B3D

secondary

#746A7A

accent

#75B39D

background

#F7F7F6

surface

#EDEEEC

border

#C8C9C7

text

#080908

muted

#7B7B7B

Preview Lab

Preview with #424B3D

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

Preview Lab → · Contrast checker → · Palette generator →