#3F511C#3F511C

#3F511C is a dark, moderate yellow-green. Relative luminance 0.070; OKLCH L 40.7% C 0.080 H 125.6°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F511C
RGB	rgb(63, 81, 28)
HSL	hsl(80, 49%, 21%)
HSV	hsv(80, 65%, 32%)
CMYK	cmyk(22.2%, 0%, 65.4%, 68.2%)
CIE-LAB	lab(31.86, -16.48, 28.21)
CIE-LCH	lch(31.86, 32.67, 120.29°)
OKLab	oklab(40.7% -0.0468 0.0654)
OKLCH	oklch(40.7% 0.08 125.6)
XYZ	xyz(5.2019, 7.0254, 2.1804)
Luminance	0.0703 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F511C #2E1C51

analogous

#51491C #3F511C #25511C

triadic

#3F511C #1C3F51 #511C3F

tetradic

#3F511C #1C5149 #2E1C51 #511C25

square

#3F511C #1C5149 #2E1C51 #511C25

split-complementary

#3F511C #1C2551 #491C51

monochromatic

#121708 #1C240C #3F511C #627E2C #86AC3B

Accessibility & contrast

On white

8.73

#3F511C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3F511C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F511C

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F511C	#FFFFFF	#000000	##FFFFFF
##3F511C	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C16

Deuteranopia (green-blind)

#534B20

Tritanopia (blue-blind)

#424D46

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f511c;
/* rgb */ color: rgb(63, 81, 28);
/* oklch */ color: oklch(40.7% 0.080 125.6);

Tailwind

colors: {
  custom: {
    50: '#76825b',
    500: '#3f511c',
    950: '#000000',
  },
}

SCSS

$custom: #3f511c;
$custom-light: #76825b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f511c",
  "rgb": {
    "r": 63,
    "g": 81,
    "b": 28
  },
  "hsl": {
    "h": 80.377,
    "s": 48.624,
    "l": 21.373
  },
  "oklch": {
    "l": 0.40698,
    "c": 0.08041,
    "h": 125.6
  },
  "luminance": 0.07025
}

Semantic roles & 50–950 ramp

primary

#3F511C

secondary

#594287

accent

#50D87E

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#080A04

muted

#7B7C79

Preview Lab

Preview with #3F511C

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

Preview Lab → · Contrast checker → · Palette generator →