#404F1B#404F1B

#404F1B is a dark, moderate yellow-green. Relative luminance 0.068; OKLCH L 40.2% C 0.078 H 123.5°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#404F1B
RGB	rgb(64, 79, 27)
HSL	hsl(77, 49%, 21%)
HSV	hsv(77, 66%, 31%)
CMYK	cmyk(19%, 0%, 65.8%, 69%)
CIE-LAB	lab(31.26, -15.00, 28.08)
CIE-LCH	lch(31.26, 31.83, 118.12°)
OKLab	oklab(40.22% -0.0429 0.0649)
OKLCH	oklch(40.22% 0.078 123.5)
XYZ	xyz(5.1082, 6.7611, 2.0726)
Luminance	0.0676 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404F1B #2A1B4F

analogous

#4F441B #404F1B #264F1B

triadic

#404F1B #1B404F #4F1B40

tetradic

#404F1B #1B4F44 #2A1B4F #4F1B26

square

#404F1B #1B4F44 #2A1B4F #4F1B26

split-complementary

#404F1B #1B264F #441B4F

monochromatic

#121708 #1B210B #404F1B #657D2B #8AAA3A

Accessibility & contrast

On white

8.93

#404F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#404F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404F1B

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404F1B	#FFFFFF	#000000	##FFFFFF
##404F1B	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A15

Deuteranopia (green-blind)

#52491F

Tritanopia (blue-blind)

#434B44

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #404f1b;
/* rgb */ color: rgb(64, 79, 27);
/* oklch */ color: oklch(40.2% 0.078 123.5);

Tailwind

colors: {
  custom: {
    50: '#76805a',
    500: '#404f1b',
    950: '#000000',
  },
}

SCSS

$custom: #404f1b;
$custom-light: #76805a;
$custom-dark: #000000;

JSON

{
  "hex": "#404f1b",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 27
  },
  "hsl": {
    "h": 77.308,
    "s": 49.057,
    "l": 20.784
  },
  "oklch": {
    "l": 0.40223,
    "c": 0.07782,
    "h": 123.5
  },
  "luminance": 0.06761
}

Semantic roles & 50–950 ramp

primary

#404F1B

secondary

#554185

accent

#4FD977

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#090A04

muted

#7B7C79

Preview Lab

Preview with #404F1B

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

Preview Lab → · Contrast checker → · Palette generator →