#424B0B#424B0B

#424B0B is a dark, moderate yellow. Relative luminance 0.062; OKLCH L 39.2% C 0.084 H 117.7°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#424B0B
RGB	rgb(66, 75, 11)
HSL	hsl(68, 74%, 17%)
HSV	hsv(68, 85%, 29%)
CMYK	cmyk(12%, 0%, 85.3%, 70.6%)
CIE-LAB	lab(29.95, -12.93, 33.96)
CIE-LCH	lch(29.95, 36.34, 110.85°)
OKLab	oklab(39.17% -0.039 0.0744)
OKLCH	oklch(39.17% 0.084 117.7)
XYZ	xyz(4.8234, 6.2146, 1.2620)
Luminance	0.0621 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B0B #140B4B

analogous

#4B340B #424B0B #224B0B

triadic

#424B0B #0B424B #4B0B42

tetradic

#424B0B #0B4B34 #140B4B #4B0B22

square

#424B0B #0B4B34 #140B4B #4B0B22

split-complementary

#424B0B #0B224B #340B4B

monochromatic

#171B04 #171B04 #424B0B #718013 #A0B61B

Accessibility & contrast

On white

9.36

#424B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#424B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B0B

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B0B	#FFFFFF	#000000	##FFFFFF
##424B0B	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514600

Deuteranopia (green-blind)

#504711

Tritanopia (blue-blind)

#47463F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #424b0b;
/* rgb */ color: rgb(66, 75, 11);
/* oklch */ color: oklch(39.2% 0.084 117.7);

Tailwind

colors: {
  custom: {
    50: '#797d50',
    500: '#424b0b',
    950: '#000000',
  },
}

SCSS

$custom: #424b0b;
$custom-light: #797d50;
$custom-dark: #000000;

JSON

{
  "hex": "#424b0b",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 11
  },
  "hsl": {
    "h": 68.438,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.39168,
    "c": 0.08405,
    "h": 117.7
  },
  "luminance": 0.06215
}

Semantic roles & 50–950 ramp

primary

#424B0B

secondary

#382B87

accent

#37F151

background

#F7F7F4

surface

#EEEEE7

border

#C9C9C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #424B0B

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

Preview Lab → · Contrast checker → · Palette generator →