#284B10#284B10

#284B10 is a dark, moderate yellow-green. Relative luminance 0.055; OKLCH L 37.3% C 0.095 H 135.3°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#284B10
RGB	rgb(40, 75, 16)
HSL	hsl(96, 65%, 18%)
HSV	hsv(96, 79%, 29%)
CMYK	cmyk(46.7%, 0%, 78.7%, 70.6%)
CIE-LAB	lab(28.17, -24.28, 29.61)
CIE-LCH	lch(28.17, 38.29, 129.35°)
OKLab	oklab(37.26% -0.0677 0.0669)
OKLCH	oklch(37.26% 0.095 135.3)
XYZ	xyz(3.4846, 5.5205, 1.3721)
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

#284B10 #33104B

analogous

#454B10 #284B10 #104B15

triadic

#284B10 #10284B #4B1028

tetradic

#284B10 #10454B #33104B #4B1510

square

#284B10 #10454B #33104B #4B1510

split-complementary

#284B10 #15104B #4B1045

monochromatic

#0D1905 #0D1905 #284B10 #437D1B #5EB026

Accessibility & contrast

On white

9.98

#284B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#284B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B10

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284B10	#FFFFFF	#000000	##FFFFFF
##284B10	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)

#4E4407

Deuteranopia (green-blind)

#494116

Tritanopia (blue-blind)

#27483F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #284b10;
/* rgb */ color: rgb(40, 75, 16);
/* oklch */ color: oklch(37.3% 0.095 135.3);

Tailwind

colors: {
  custom: {
    50: '#667d52',
    500: '#284b10',
    950: '#000000',
  },
}

SCSS

$custom: #284b10;
$custom-light: #667d52;
$custom-dark: #000000;

JSON

{
  "hex": "#284b10",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 16
  },
  "hsl": {
    "h": 95.593,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.37263,
    "c": 0.0952,
    "h": 135.3
  },
  "luminance": 0.05521
}

Semantic roles & 50–950 ramp

primary

#284B10

secondary

#633285

accent

#40E8A4

background

#F6F7F4

surface

#EBEEE7

border

#C6C9C3

text

#060A02

muted

#7A7C78

Preview Lab

Preview with #284B10

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

Preview Lab → · Contrast checker → · Palette generator →