#3F4B0F#3F4B0F

#3F4B0F is a dark, moderate yellow-green. Relative luminance 0.061; OKLCH L 38.9% C 0.083 H 120.4°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F4B0F
RGB	rgb(63, 75, 15)
HSL	hsl(72, 67%, 18%)
HSV	hsv(72, 80%, 29%)
CMYK	cmyk(16%, 0%, 80%, 70.6%)
CIE-LAB	lab(29.72, -14.18, 32.10)
CIE-LCH	lch(29.72, 35.09, 113.83°)
OKLab	oklab(38.93% -0.0418 0.0714)
OKLCH	oklch(38.93% 0.083 120.4)
XYZ	xyz(4.6523, 6.1234, 1.3887)
Luminance	0.0612 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4B0F #1B0F4B

analogous

#4B390F #3F4B0F #214B0F

triadic

#3F4B0F #0F3F4B #4B0F3F

tetradic

#3F4B0F #0F4B39 #1B0F4B #4B0F21

square

#3F4B0F #0F4B39 #1B0F4B #4B0F21

split-complementary

#3F4B0F #0F214B #390F4B

monochromatic

#151A05 #151A05 #3F4B0F #6A7E19 #95B123

Accessibility & contrast

On white

9.44

#3F4B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3F4B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4B0F

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4B0F	#FFFFFF	#000000	##FFFFFF
##3F4B0F	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504605

Deuteranopia (green-blind)

#4F4614

Tritanopia (blue-blind)

#43473F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3f4b0f;
/* rgb */ color: rgb(63, 75, 15);
/* oklch */ color: oklch(38.9% 0.083 120.4);

Tailwind

colors: {
  custom: {
    50: '#767d52',
    500: '#3f4b0f',
    950: '#000000',
  },
}

SCSS

$custom: #3f4b0f;
$custom-light: #767d52;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4b0f",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 15
  },
  "hsl": {
    "h": 72,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.38931,
    "c": 0.08278,
    "h": 120.4
  },
  "luminance": 0.06123
}

Semantic roles & 50–950 ramp

primary

#3F4B0F

secondary

#413085

accent

#3EEA60

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #3F4B0F

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

Preview Lab → · Contrast checker → · Palette generator →