#284C10#284C10

#284C10 is a dark, moderate yellow-green. Relative luminance 0.057; OKLCH L 37.6% C 0.097 H 135.5°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#284C10
RGB	rgb(40, 76, 16)
HSL	hsl(96, 65%, 18%)
HSV	hsv(96, 79%, 30%)
CMYK	cmyk(47.4%, 0%, 78.9%, 70.2%)
CIE-LAB	lab(28.53, -24.76, 29.98)
CIE-LCH	lch(28.53, 38.88, 129.55°)
OKLab	oklab(37.56% -0.069 0.0677)
OKLCH	oklch(37.56% 0.097 135.5)
XYZ	xyz(3.5530, 5.6572, 1.3948)
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

#284C10 #34104C

analogous

#464C10 #284C10 #104C16

triadic

#284C10 #10284C #4C1028

tetradic

#284C10 #10464C #34104C #4C1610

square

#284C10 #10464C #34104C #4C1610

split-complementary

#284C10 #16104C #4C1046

monochromatic

#0D1905 #0D1905 #284C10 #437F1B #5DB125

Accessibility & contrast

On white

9.85

#284C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#284C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284C10

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284C10	#FFFFFF	#000000	##FFFFFF
##284C10	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)

#4F4506

Deuteranopia (green-blind)

#4A4216

Tritanopia (blue-blind)

#274940

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #284c10;
/* rgb */ color: rgb(40, 76, 16);
/* oklch */ color: oklch(37.6% 0.097 135.5);

Tailwind

colors: {
  custom: {
    50: '#667e52',
    500: '#284c10',
    950: '#000000',
  },
}

SCSS

$custom: #284c10;
$custom-light: #667e52;
$custom-dark: #000000;

JSON

{
  "hex": "#284c10",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 16
  },
  "hsl": {
    "h": 96,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.37559,
    "c": 0.09667,
    "h": 135.5
  },
  "luminance": 0.05657
}

Semantic roles & 50–950 ramp

primary

#284C10

secondary

#643286

accent

#40E8A5

background

#F6F7F4

surface

#EBEEE7

border

#C6C9C3

text

#060A02

muted

#7A7C78

Preview Lab

Preview with #284C10

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

Preview Lab → · Contrast checker → · Palette generator →