#424B10#424B10

#424B10 is a dark, moderate yellow. Relative luminance 0.062; OKLCH L 39.2% C 0.081 H 117.9°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#424B10
RGB	rgb(66, 75, 16)
HSL	hsl(69, 65%, 18%)
HSV	hsv(69, 79%, 29%)
CMYK	cmyk(12%, 0%, 78.7%, 70.6%)
CIE-LAB	lab(29.98, -12.65, 32.02)
CIE-LCH	lch(29.98, 34.43, 111.56°)
OKLab	oklab(39.21% -0.0377 0.0713)
OKLCH	oklch(39.21% 0.081 117.9)
XYZ	xyz(4.8565, 6.2279, 1.4364)
Luminance	0.0623 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B10 #19104B

analogous

#4B3710 #424B10 #244B10

triadic

#424B10 #10424B #4B1042

tetradic

#424B10 #104B37 #19104B #4B1024

square

#424B10 #104B37 #19104B #4B1024

split-complementary

#424B10 #10244B #37104B

monochromatic

#161905 #161905 #424B10 #6E7D1B #9BB026

Accessibility & contrast

On white

9.35

#424B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#424B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B10

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B10	#FFFFFF	#000000	##FFFFFF
##424B10	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514606

Deuteranopia (green-blind)

#504715

Tritanopia (blue-blind)

#46463F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #424b10;
/* rgb */ color: rgb(66, 75, 16);
/* oklch */ color: oklch(39.2% 0.081 117.9);

Tailwind

colors: {
  custom: {
    50: '#787d53',
    500: '#424b10',
    950: '#000000',
  },
}

SCSS

$custom: #424b10;
$custom-light: #787d53;
$custom-dark: #000000;

JSON

{
  "hex": "#424b10",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 16
  },
  "hsl": {
    "h": 69.153,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.39205,
    "c": 0.08071,
    "h": 117.9
  },
  "luminance": 0.06228
}

Semantic roles & 50–950 ramp

primary

#424B10

secondary

#3F3285

accent

#40E85A

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #424B10

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

Preview Lab → · Contrast checker → · Palette generator →