#3F550F#3F550F

#3F550F is a dark, moderate yellow-green. Relative luminance 0.076; OKLCH L 41.7% C 0.097 H 126.0°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3F550F
RGB	rgb(63, 85, 15)
HSL	hsl(79, 70%, 20%)
HSV	hsv(79, 82%, 33%)
CMYK	cmyk(25.9%, 0%, 82.4%, 66.7%)
CIE-LAB	lab(33.11, -19.65, 35.35)
CIE-LCH	lch(33.11, 40.45, 119.06°)
OKLab	oklab(41.67% -0.0568 0.0783)
OKLCH	oklch(41.67% 0.097 126)
XYZ	xyz(5.3847, 7.5882, 1.6328)
Luminance	0.0759 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F550F #250F55

analogous

#55480F #3F550F #1C550F

triadic

#3F550F #0F3F55 #550F3F

tetradic

#3F550F #0F5548 #250F55 #550F1C

square

#3F550F #0F5548 #250F55 #550F1C

split-complementary

#3F550F #0F1C55 #480F55

monochromatic

#131A05 #182106 #3F550F #668918 #8CBD21

Accessibility & contrast

On white

8.34

#3F550F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3F550F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F550F

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F550F	#FFFFFF	#000000	##FFFFFF
##3F550F	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F02

Deuteranopia (green-blind)

#574E16

Tritanopia (blue-blind)

#425148

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f550f;
/* rgb */ color: rgb(63, 85, 15);
/* oklch */ color: oklch(41.7% 0.097 126.0);

Tailwind

colors: {
  custom: {
    50: '#778554',
    500: '#3f550f',
    950: '#000000',
  },
}

SCSS

$custom: #3f550f;
$custom-light: #778554;
$custom-dark: #000000;

JSON

{
  "hex": "#3f550f",
  "rgb": {
    "r": 63,
    "g": 85,
    "b": 15
  },
  "hsl": {
    "h": 78.857,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.4167,
    "c": 0.09673,
    "h": 126
  },
  "luminance": 0.07588
}

Semantic roles & 50–950 ramp

primary

#3F550F

secondary

#4E318F

accent

#3BED73

background

#F7F8F5

surface

#EDEFE8

border

#C8CAC4

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F550F

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

Preview Lab → · Contrast checker → · Palette generator →