#404B0B#404B0B

#404B0B is a dark, moderate yellow-green. Relative luminance 0.061; OKLCH L 39.0% C 0.085 H 119.3°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#404B0B
RGB	rgb(64, 75, 11)
HSL	hsl(70, 74%, 17%)
HSV	hsv(70, 85%, 29%)
CMYK	cmyk(14.7%, 0%, 85.3%, 70.6%)
CIE-LAB	lab(29.78, -13.92, 33.74)
CIE-LCH	lch(29.78, 36.50, 112.41°)
OKLab	oklab(38.99% -0.0416 0.0741)
OKLCH	oklch(38.99% 0.085 119.3)
XYZ	xyz(4.6909, 6.1463, 1.2558)
Luminance	0.0615 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404B0B #160B4B

analogous

#4B360B #404B0B #204B0B

triadic

#404B0B #0B404B #4B0B40

tetradic

#404B0B #0B4B36 #160B4B #4B0B20

square

#404B0B #0B4B36 #160B4B #4B0B20

split-complementary

#404B0B #0B204B #360B4B

monochromatic

#171B04 #171B04 #404B0B #6E8013 #9BB61B

Accessibility & contrast

On white

9.42

#404B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#404B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404B0B

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404B0B	#FFFFFF	#000000	##FFFFFF
##404B0B	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504600

Deuteranopia (green-blind)

#4F4611

Tritanopia (blue-blind)

#44463F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #404b0b;
/* rgb */ color: rgb(64, 75, 11);
/* oklch */ color: oklch(39.0% 0.085 119.3);

Tailwind

colors: {
  custom: {
    50: '#777d50',
    500: '#404b0b',
    950: '#000000',
  },
}

SCSS

$custom: #404b0b;
$custom-light: #777d50;
$custom-dark: #000000;

JSON

{
  "hex": "#404b0b",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 11
  },
  "hsl": {
    "h": 70.313,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.3899,
    "c": 0.08494,
    "h": 119.3
  },
  "luminance": 0.06146
}

Semantic roles & 50–950 ramp

primary

#404B0B

secondary

#3B2B87

accent

#37F157

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #404B0B

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

Preview Lab → · Contrast checker → · Palette generator →