#404C0B#404C0B

#404C0B is a dark, moderate yellow-green. Relative luminance 0.063; OKLCH L 39.3% C 0.086 H 120.0°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#404C0B
RGB	rgb(64, 76, 11)
HSL	hsl(71, 75%, 17%)
HSV	hsv(71, 86%, 30%)
CMYK	cmyk(15.8%, 0%, 85.5%, 70.2%)
CIE-LAB	lab(30.12, -14.48, 34.05)
CIE-LCH	lch(30.12, 37.00, 113.04°)
OKLab	oklab(39.26% -0.0431 0.0747)
OKLCH	oklch(39.26% 0.086 120)
XYZ	xyz(4.7593, 6.2831, 1.2786)
Luminance	0.0628 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404C0B #170B4C

analogous

#4C380B #404C0B #204C0B

triadic

#404C0B #0B404C #4C0B40

tetradic

#404C0B #0B4C38 #170B4C #4C0B20

square

#404C0B #0B4C38 #170B4C #4C0B20

split-complementary

#404C0B #0B204C #380B4C

monochromatic

#171B04 #171B04 #404C0B #6D8113 #9AB71A

Accessibility & contrast

On white

9.31

#404C0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#404C0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404C0B

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404C0B	#FFFFFF	#000000	##FFFFFF
##404C0B	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514700

Deuteranopia (green-blind)

#504711

Tritanopia (blue-blind)

#444740

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #404c0b;
/* rgb */ color: rgb(64, 76, 11);
/* oklch */ color: oklch(39.3% 0.086 120.0);

Tailwind

colors: {
  custom: {
    50: '#777e50',
    500: '#404c0b',
    950: '#000000',
  },
}

SCSS

$custom: #404c0b;
$custom-light: #777e50;
$custom-dark: #000000;

JSON

{
  "hex": "#404c0b",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 11
  },
  "hsl": {
    "h": 71.077,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.39261,
    "c": 0.08627,
    "h": 120
  },
  "luminance": 0.06283
}

Semantic roles & 50–950 ramp

primary

#404C0B

secondary

#3C2B88

accent

#36F159

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #404C0B

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

Preview Lab → · Contrast checker → · Palette generator →