#284C0B#284C0B

#284C0B is a dark, moderate yellow-green. Relative luminance 0.056; OKLCH L 37.5% C 0.100 H 134.8°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#284C0B
RGB	rgb(40, 76, 11)
HSL	hsl(93, 75%, 17%)
HSV	hsv(93, 86%, 30%)
CMYK	cmyk(47.4%, 0%, 85.5%, 70.2%)
CIE-LAB	lab(28.50, -25.13, 31.96)
CIE-LCH	lch(28.50, 40.66, 128.18°)
OKLab	oklab(37.52% -0.0704 0.071)
OKLCH	oklch(37.52% 0.1 134.8)
XYZ	xyz(3.5198, 5.6440, 1.2205)
Luminance	0.0564 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forest Green (survey)

#06470C

ΔE00 4.85

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284C0B #2F0B4C

analogous

#494C0B #284C0B #0B4C0F

triadic

#284C0B #0B284C #4C0B28

tetradic

#284C0B #0B494C #2F0B4C #4C0F0B

square

#284C0B #0B494C #2F0B4C #4C0F0B

split-complementary

#284C0B #0F0B4C #4C0B49

monochromatic

#0E1B04 #0E1B04 #284C0B #448113 #60B71A

Accessibility & contrast

On white

9.86

#284C0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#284C0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284C0B

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284C0B	#FFFFFF	#000000	##FFFFFF
##284C0B	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4500

Deuteranopia (green-blind)

#4A4212

Tritanopia (blue-blind)

#274940

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #284c0b;
/* rgb */ color: rgb(40, 76, 11);
/* oklch */ color: oklch(37.5% 0.100 134.8);

Tailwind

colors: {
  custom: {
    50: '#667e50',
    500: '#284c0b',
    950: '#000000',
  },
}

SCSS

$custom: #284c0b;
$custom-light: #667e50;
$custom-dark: #000000;

JSON

{
  "hex": "#284c0b",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 11
  },
  "hsl": {
    "h": 93.231,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.3752,
    "c": 0.09998,
    "h": 134.8
  },
  "luminance": 0.05644
}

Semantic roles & 50–950 ramp

primary

#284C0B

secondary

#5E2B88

accent

#36F19E

background

#F6F7F4

surface

#EBEEE7

border

#C6C9C3

text

#060A02

muted

#7A7C78

Preview Lab

Preview with #284C0B

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

Preview Lab → · Contrast checker → · Palette generator →