#284C11#284C11

#284C11 is a dark, moderate yellow-green. Relative luminance 0.057; OKLCH L 37.6% C 0.096 H 135.7°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#284C11
RGB	rgb(40, 76, 17)
HSL	hsl(97, 63%, 18%)
HSV	hsv(97, 78%, 30%)
CMYK	cmyk(47.4%, 0%, 77.6%, 70.2%)
CIE-LAB	lab(28.54, -24.68, 29.55)
CIE-LCH	lch(28.54, 38.50, 129.87°)
OKLab	oklab(37.57% -0.0687 0.067)
OKLCH	oklch(37.57% 0.096 135.7)
XYZ	xyz(3.5606, 5.6603, 1.4351)
Luminance	0.0566 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284C11 #35114C

analogous

#454C11 #284C11 #114C17

triadic

#284C11 #11284C #4C1128

tetradic

#284C11 #11454C #35114C #4C1711

square

#284C11 #11454C #35114C #4C1711

split-complementary

#284C11 #17114C #4C1145

monochromatic

#0D1906 #0E1A06 #284C11 #427E1C #5DB027

Accessibility & contrast

On white

9.85

#284C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#284C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284C11

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284C11	#FFFFFF	#000000	##FFFFFF
##284C11	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4508

Deuteranopia (green-blind)

#4A4216

Tritanopia (blue-blind)

#274940

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #284c11;
/* rgb */ color: rgb(40, 76, 17);
/* oklch */ color: oklch(37.6% 0.096 135.7);

Tailwind

colors: {
  custom: {
    50: '#667e53',
    500: '#284c11',
    950: '#000000',
  },
}

SCSS

$custom: #284c11;
$custom-light: #667e53;
$custom-dark: #000000;

JSON

{
  "hex": "#284c11",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 17
  },
  "hsl": {
    "h": 96.61,
    "s": 63.441,
    "l": 18.235
  },
  "oklch": {
    "l": 0.37569,
    "c": 0.09593,
    "h": 135.7
  },
  "luminance": 0.0566
}

Semantic roles & 50–950 ramp

primary

#284C11

secondary

#653385

accent

#41E6A6

background

#F6F7F4

surface

#EBEEE7

border

#C6C9C3

text

#060A02

muted

#7A7C78

Preview Lab

Preview with #284C11

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

Preview Lab → · Contrast checker → · Palette generator →