#3F5510#3F5510

#3F5510 is a dark, moderate yellow-green. Relative luminance 0.076; OKLCH L 41.7% C 0.096 H 126.1°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3F5510
RGB	rgb(63, 85, 16)
HSL	hsl(79, 68%, 20%)
HSV	hsv(79, 81%, 33%)
CMYK	cmyk(25.9%, 0%, 81.2%, 66.7%)
CIE-LAB	lab(33.12, -19.59, 34.98)
CIE-LCH	lch(33.12, 40.09, 119.25°)
OKLab	oklab(41.68% -0.0566 0.0777)
OKLCH	oklch(41.68% 0.096 126.1)
XYZ	xyz(5.3920, 7.5911, 1.6713)
Luminance	0.0759 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5510 #261055

analogous

#554810 #3F5510 #1D5510

triadic

#3F5510 #103F55 #55103F

tetradic

#3F5510 #105548 #261055 #55101D

square

#3F5510 #105548 #261055 #55101D

split-complementary

#3F5510 #101D55 #481055

monochromatic

#131A05 #192106 #3F5510 #65891A #8BBC23

Accessibility & contrast

On white

8.34

#3F5510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3F5510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5510

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5510	#FFFFFF	#000000	##FFFFFF
##3F5510	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)

#5A4F03

Deuteranopia (green-blind)

#574E17

Tritanopia (blue-blind)

#425148

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f5510;
/* rgb */ color: rgb(63, 85, 16);
/* oklch */ color: oklch(41.7% 0.096 126.1);

Tailwind

colors: {
  custom: {
    50: '#778554',
    500: '#3f5510',
    950: '#000000',
  },
}

SCSS

$custom: #3f5510;
$custom-light: #778554;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5510",
  "rgb": {
    "r": 63,
    "g": 85,
    "b": 16
  },
  "hsl": {
    "h": 79.13,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.41678,
    "c": 0.0961,
    "h": 126.1
  },
  "luminance": 0.07591
}

Semantic roles & 50–950 ramp

primary

#3F5510

secondary

#50328F

accent

#3DEB74

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5510

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

Preview Lab → · Contrast checker → · Palette generator →