#3F4B10#3F4B10

#3F4B10 is a dark, moderate yellow-green. Relative luminance 0.061; OKLCH L 38.9% C 0.082 H 120.4°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F4B10
RGB	rgb(63, 75, 16)
HSL	hsl(72, 65%, 18%)
HSV	hsv(72, 79%, 29%)
CMYK	cmyk(16%, 0%, 78.7%, 70.6%)
CIE-LAB	lab(29.73, -14.11, 31.69)
CIE-LCH	lch(29.73, 34.69, 114.01°)
OKLab	oklab(38.94% -0.0416 0.0707)
OKLCH	oklch(38.94% 0.082 120.4)
XYZ	xyz(4.6596, 6.1263, 1.4271)
Luminance	0.0613 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4B10 #1C104B

analogous

#4B3910 #3F4B10 #224B10

triadic

#3F4B10 #103F4B #4B103F

tetradic

#3F4B10 #104B39 #1C104B #4B1022

square

#3F4B10 #104B39 #1C104B #4B1022

split-complementary

#3F4B10 #10224B #39104B

monochromatic

#151905 #151905 #3F4B10 #697D1B #94B026

Accessibility & contrast

On white

9.44

#3F4B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3F4B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4B10

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4B10	#FFFFFF	#000000	##FFFFFF
##3F4B10	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504606

Deuteranopia (green-blind)

#4F4615

Tritanopia (blue-blind)

#43473F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3f4b10;
/* rgb */ color: rgb(63, 75, 16);
/* oklch */ color: oklch(38.9% 0.082 120.4);

Tailwind

colors: {
  custom: {
    50: '#767d53',
    500: '#3f4b10',
    950: '#000000',
  },
}

SCSS

$custom: #3f4b10;
$custom-light: #767d53;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4b10",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 16
  },
  "hsl": {
    "h": 72.203,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.38939,
    "c": 0.08205,
    "h": 120.4
  },
  "luminance": 0.06126
}

Semantic roles & 50–950 ramp

primary

#3F4B10

secondary

#433285

accent

#40E862

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #3F4B10

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

Preview Lab → · Contrast checker → · Palette generator →