#424B1B#424B1B

#424B1B is a dark, moderate yellow-green. Relative luminance 0.063; OKLCH L 39.3% C 0.071 H 118.7°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#424B1B
RGB	rgb(66, 75, 27)
HSL	hsl(71, 47%, 20%)
HSV	hsv(71, 64%, 29%)
CMYK	cmyk(12%, 0%, 64%, 70.6%)
CIE-LAB	lab(30.08, -11.78, 26.81)
CIE-LCH	lch(30.08, 29.28, 113.71°)
OKLab	oklab(39.32% -0.034 0.0622)
OKLCH	oklch(39.32% 0.071 118.7)
XYZ	xyz(4.9607, 6.2696, 1.9855)
Luminance	0.0627 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B1B #241B4B

analogous

#4B3C1B #424B1B #2A4B1B

triadic

#424B1B #1B424B #4B1B42

tetradic

#424B1B #1B4B3C #241B4B #4B1B2A

square

#424B1B #1B4B3C #241B4B #4B1B2A

split-complementary

#424B1B #1B2A4B #3C1B4B

monochromatic

#141708 #1A1E0B #424B1B #6A782B #91A53B

Accessibility & contrast

On white

9.32

#424B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#424B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B1B

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B1B	#FFFFFF	#000000	##FFFFFF
##424B1B	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504716

Deuteranopia (green-blind)

#4F471E

Tritanopia (blue-blind)

#464741

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #424b1b;
/* rgb */ color: rgb(66, 75, 27);
/* oklch */ color: oklch(39.3% 0.071 118.7);

Tailwind

colors: {
  custom: {
    50: '#787d59',
    500: '#424b1b',
    950: '#000000',
  },
}

SCSS

$custom: #424b1b;
$custom-light: #787d59;
$custom-dark: #000000;

JSON

{
  "hex": "#424b1b",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 27
  },
  "hsl": {
    "h": 71.25,
    "s": 47.059,
    "l": 20
  },
  "oklch": {
    "l": 0.3932,
    "c": 0.07088,
    "h": 118.7
  },
  "luminance": 0.0627
}

Semantic roles & 50–950 ramp

primary

#424B1B

secondary

#4D4181

accent

#51D76A

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#090904

muted

#7B7B79

Preview Lab

Preview with #424B1B

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

Preview Lab → · Contrast checker → · Palette generator →