#404C0C#404C0C

#404C0C is a dark, moderate yellow-green. Relative luminance 0.063; OKLCH L 39.3% C 0.086 H 120.1°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#404C0C
RGB	rgb(64, 76, 12)
HSL	hsl(71, 73%, 17%)
HSV	hsv(71, 84%, 30%)
CMYK	cmyk(15.8%, 0%, 84.2%, 70.2%)
CIE-LAB	lab(30.12, -14.43, 33.69)
CIE-LCH	lch(30.12, 36.65, 113.19°)
OKLab	oklab(39.27% -0.0429 0.0741)
OKLCH	oklch(39.27% 0.086 120.1)
XYZ	xyz(4.7652, 6.2854, 1.3099)
Luminance	0.0629 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404C0C #180C4C

analogous

#4C380C #404C0C #204C0C

triadic

#404C0C #0C404C #4C0C40

tetradic

#404C0C #0C4C38 #180C4C #4C0C20

square

#404C0C #0C4C38 #180C4C #4C0C20

split-complementary

#404C0C #0C204C #380C4C

monochromatic

#161A04 #161A04 #404C0C #6D8114 #99B61D

Accessibility & contrast

On white

9.30

#404C0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#404C0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404C0C

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404C0C	#FFFFFF	#000000	##FFFFFF
##404C0C	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514701

Deuteranopia (green-blind)

#504712

Tritanopia (blue-blind)

#444740

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #404c0c;
/* rgb */ color: rgb(64, 76, 12);
/* oklch */ color: oklch(39.3% 0.086 120.1);

Tailwind

colors: {
  custom: {
    50: '#777e51',
    500: '#404c0c',
    950: '#000000',
  },
}

SCSS

$custom: #404c0c;
$custom-light: #777e51;
$custom-dark: #000000;

JSON

{
  "hex": "#404c0c",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 12
  },
  "hsl": {
    "h": 71.25,
    "s": 72.727,
    "l": 17.255
  },
  "oklch": {
    "l": 0.39268,
    "c": 0.08567,
    "h": 120.1
  },
  "luminance": 0.06285
}

Semantic roles & 50–950 ramp

primary

#404C0C

secondary

#3D2C88

accent

#38EF5B

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #404C0C

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

Preview Lab → · Contrast checker → · Palette generator →