#3F4C10#3F4C10

#3F4C10 is a dark, moderate yellow-green. Relative luminance 0.063; OKLCH L 39.2% C 0.083 H 121.1°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#3F4C10
RGB	rgb(63, 76, 16)
HSL	hsl(73, 65%, 18%)
HSV	hsv(73, 79%, 30%)
CMYK	cmyk(17.1%, 0%, 78.9%, 70.2%)
CIE-LAB	lab(30.07, -14.68, 32.02)
CIE-LCH	lch(30.07, 35.22, 114.63°)
OKLab	oklab(39.21% -0.0431 0.0714)
OKLCH	oklch(39.21% 0.083 121.1)
XYZ	xyz(4.7279, 6.2631, 1.4499)
Luminance	0.0626 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4C10 #1D104C

analogous

#4C3B10 #3F4C10 #214C10

triadic

#3F4C10 #103F4C #4C103F

tetradic

#3F4C10 #104C3B #1D104C #4C1021

square

#3F4C10 #104C3B #1D104C #4C1021

split-complementary

#3F4C10 #10214C #3B104C

monochromatic

#151905 #151905 #3F4C10 #697F1B #93B125

Accessibility & contrast

On white

9.32

#3F4C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3F4C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4C10

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4C10	#FFFFFF	#000000	##FFFFFF
##3F4C10	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514706

Deuteranopia (green-blind)

#504715

Tritanopia (blue-blind)

#434840

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f4c10;
/* rgb */ color: rgb(63, 76, 16);
/* oklch */ color: oklch(39.2% 0.083 121.1);

Tailwind

colors: {
  custom: {
    50: '#767e53',
    500: '#3f4c10',
    950: '#000000',
  },
}

SCSS

$custom: #3f4c10;
$custom-light: #767e53;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4c10",
  "rgb": {
    "r": 63,
    "g": 76,
    "b": 16
  },
  "hsl": {
    "h": 73,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.39211,
    "c": 0.08345,
    "h": 121.1
  },
  "luminance": 0.06263
}

Semantic roles & 50–950 ramp

primary

#3F4C10

secondary

#443286

accent

#40E864

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #3F4C10

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

Preview Lab → · Contrast checker → · Palette generator →