#424B21#424B21

#424B21 is a dark, moderate yellow-green. Relative luminance 0.063; OKLCH L 39.4% C 0.064 H 119.4°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#424B21
RGB	rgb(66, 75, 33)
HSL	hsl(73, 39%, 21%)
HSV	hsv(73, 56%, 29%)
CMYK	cmyk(12%, 0%, 56%, 70.6%)
CIE-LAB	lab(30.16, -11.14, 23.59)
CIE-LCH	lch(30.16, 26.09, 115.28°)
OKLab	oklab(39.4% -0.0316 0.0559)
OKLCH	oklch(39.4% 0.064 119.4)
XYZ	xyz(5.0374, 6.3002, 2.3892)
Luminance	0.0630 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B21 #2A214B

analogous

#4B3F21 #424B21 #2D4B21

triadic

#424B21 #21424B #4B2142

tetradic

#424B21 #214B3F #2A214B #4B212D

square

#424B21 #214B3F #2A214B #4B212D

split-complementary

#424B21 #212D4B #3F214B

monochromatic

#131509 #1D200E #424B21 #677534 #8DA046

Accessibility & contrast

On white

9.29

#424B21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#424B21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B21

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B21	#FFFFFF	#000000	##FFFFFF
##424B21	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50471D

Deuteranopia (green-blind)

#4E4723

Tritanopia (blue-blind)

#454741

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #424b21;
/* rgb */ color: rgb(66, 75, 33);
/* oklch */ color: oklch(39.4% 0.064 119.4);

Tailwind

colors: {
  custom: {
    50: '#777d5d',
    500: '#424b21',
    950: '#000000',
  },
}

SCSS

$custom: #424b21;
$custom-light: #777d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#424b21",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 33
  },
  "hsl": {
    "h": 72.857,
    "s": 38.889,
    "l": 21.176
  },
  "oklch": {
    "l": 0.39404,
    "c": 0.06422,
    "h": 119.4
  },
  "luminance": 0.063
}

Semantic roles & 50–950 ramp

primary

#424B21

secondary

#54497F

accent

#59CF72

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#090904

muted

#7B7B79

Preview Lab

Preview with #424B21

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

Preview Lab → · Contrast checker → · Palette generator →