#3F5310#3F5310

#3F5310 is a dark, moderate yellow-green. Relative luminance 0.073; OKLCH L 41.1% C 0.093 H 125.1°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#3F5310
RGB	rgb(63, 83, 16)
HSL	hsl(78, 68%, 19%)
HSV	hsv(78, 81%, 33%)
CMYK	cmyk(24.1%, 0%, 80.7%, 67.5%)
CIE-LAB	lab(32.44, -18.52, 34.33)
CIE-LCH	lch(32.44, 39.01, 118.35°)
OKLab	oklab(41.13% -0.0537 0.0763)
OKLCH	oklch(41.13% 0.093 125.1)
XYZ	xyz(5.2367, 7.2806, 1.6195)
Luminance	0.0728 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5310 #241053

analogous

#534610 #3F5310 #1E5310

triadic

#3F5310 #103F53 #53103F

tetradic

#3F5310 #105346 #241053 #53101E

square

#3F5310 #105346 #241053 #53101E

split-complementary

#3F5310 #101E53 #461053

monochromatic

#131A05 #182006 #3F5310 #66861A #8DBA24

Accessibility & contrast

On white

8.55

#3F5310 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3F5310 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5310

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5310	#FFFFFF	#000000	##FFFFFF
##3F5310	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584D04

Deuteranopia (green-blind)

#554C16

Tritanopia (blue-blind)

#424F46

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f5310;
/* rgb */ color: rgb(63, 83, 16);
/* oklch */ color: oklch(41.1% 0.093 125.1);

Tailwind

colors: {
  custom: {
    50: '#778354',
    500: '#3f5310',
    950: '#000000',
  },
}

SCSS

$custom: #3f5310;
$custom-light: #778354;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5310",
  "rgb": {
    "r": 63,
    "g": 83,
    "b": 16
  },
  "hsl": {
    "h": 77.91,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.41127,
    "c": 0.09329,
    "h": 125.1
  },
  "luminance": 0.07281
}

Semantic roles & 50–950 ramp

primary

#3F5310

secondary

#4D328D

accent

#3DEB71

background

#F7F8F5

surface

#EDEFE8

border

#C8CAC4

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #3F5310

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

Preview Lab → · Contrast checker → · Palette generator →