#284B11#284B11

#284B11 is a dark, moderate yellow-green. Relative luminance 0.055; OKLCH L 37.3% C 0.094 H 135.5°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#284B11
RGB	rgb(40, 75, 17)
HSL	hsl(96, 63%, 18%)
HSV	hsv(96, 77%, 29%)
CMYK	cmyk(46.7%, 0%, 77.3%, 70.6%)
CIE-LAB	lab(28.18, -24.20, 29.18)
CIE-LCH	lch(28.18, 37.90, 129.67°)
OKLab	oklab(37.27% -0.0674 0.0662)
OKLCH	oklch(37.27% 0.094 135.5)
XYZ	xyz(3.4922, 5.5235, 1.4123)
Luminance	0.0552 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284B11 #34114B

analogous

#454B11 #284B11 #114B17

triadic

#284B11 #11284B #4B1128

tetradic

#284B11 #11454B #34114B #4B1711

square

#284B11 #11454B #34114B #4B1711

split-complementary

#284B11 #17114B #4B1145

monochromatic

#0D1906 #0D1906 #284B11 #437D1C #5DAF28

Accessibility & contrast

On white

9.98

#284B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#284B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B11

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284B11	#FFFFFF	#000000	##FFFFFF
##284B11	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4408

Deuteranopia (green-blind)

#494116

Tritanopia (blue-blind)

#27483F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #284b11;
/* rgb */ color: rgb(40, 75, 17);
/* oklch */ color: oklch(37.3% 0.094 135.5);

Tailwind

colors: {
  custom: {
    50: '#667d53',
    500: '#284b11',
    950: '#000000',
  },
}

SCSS

$custom: #284b11;
$custom-light: #667d53;
$custom-dark: #000000;

JSON

{
  "hex": "#284b11",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 17
  },
  "hsl": {
    "h": 96.207,
    "s": 63.043,
    "l": 18.039
  },
  "oklch": {
    "l": 0.37272,
    "c": 0.09445,
    "h": 135.5
  },
  "luminance": 0.05524
}

Semantic roles & 50–950 ramp

primary

#284B11

secondary

#643384

accent

#42E6A5

background

#F6F7F4

surface

#EBEEE7

border

#C6C9C3

text

#060A02

muted

#7A7C78

Preview Lab

Preview with #284B11

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

Preview Lab → · Contrast checker → · Palette generator →