#3F4004#3F4004

#3F4004 is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.9% C 0.076 H 110.7°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F4004
RGB	rgb(63, 64, 4)
HSL	hsl(61, 88%, 13%)
HSV	hsv(61, 94%, 25%)
CMYK	cmyk(1.6%, 0%, 93.8%, 74.9%)
CIE-LAB	lab(25.96, -8.32, 32.99)
CIE-LCH	lch(25.96, 34.02, 104.15°)
OKLab	oklab(35.89% -0.0268 0.071)
OKLCH	oklch(35.89% 0.076 110.7)
XYZ	xyz(3.9054, 4.7324, 0.8226)
Luminance	0.0473 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4004 #050440

analogous

#402304 #3F4004 #214004

triadic

#3F4004 #043F40 #40043F

tetradic

#3F4004 #044023 #050440 #400421

square

#3F4004 #044023 #050440 #400421

split-complementary

#3F4004 #042140 #230440

monochromatic

#1C1D02 #1C1D02 #3F4004 #787A08 #B0B30B

Accessibility & contrast

On white

10.79

#3F4004 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3F4004 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4004

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4004	#FFFFFF	#000000	##FFFFFF
##3F4004	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D00

Deuteranopia (green-blind)

#463E09

Tritanopia (blue-blind)

#443B35

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3f4004;
/* rgb */ color: rgb(63, 64, 4);
/* oklch */ color: oklch(35.9% 0.076 110.7);

Tailwind

colors: {
  custom: {
    50: '#77744b',
    500: '#3f4004',
    950: '#000000',
  },
}

SCSS

$custom: #3f4004;
$custom-light: #77744b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4004",
  "rgb": {
    "r": 63,
    "g": 64,
    "b": 4
  },
  "hsl": {
    "h": 61,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.35887,
    "c": 0.07587,
    "h": 110.7
  },
  "luminance": 0.04732
}

Semantic roles & 50–950 ramp

primary

#3F4004

secondary

#201F81

accent

#29FE2D

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090801

muted

#7B7B77

Preview Lab

Preview with #3F4004

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

Preview Lab → · Contrast checker → · Palette generator →