#283F08#283F08

#283F08 is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.6% C 0.083 H 130.2°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#283F08
RGB	rgb(40, 63, 8)
HSL	hsl(85, 77%, 14%)
HSV	hsv(85, 87%, 25%)
CMYK	cmyk(36.5%, 0%, 87.3%, 75.3%)
CIE-LAB	lab(23.75, -18.84, 28.59)
CIE-LCH	lch(23.75, 34.24, 123.39°)
OKLab	oklab(33.63% -0.0537 0.0635)
OKLCH	oklch(33.63% 0.083 130.2)
XYZ	xyz(2.6964, 4.0236, 0.8642)
Luminance	0.0402 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F08 #1F083F

analogous

#3F3B08 #283F08 #0D3F08

triadic

#283F08 #08283F #3F0828

tetradic

#283F08 #083F3B #1F083F #3F080D

square

#283F08 #083F3B #1F083F #3F080D

split-complementary

#283F08 #080D3F #3B083F

monochromatic

#111B03 #111B03 #283F08 #4A750F #6DAC16

Accessibility & contrast

On white

11.64

#283F08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#283F08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F08

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F08	#FFFFFF	#000000	##FFFFFF
##283F08	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A00

Deuteranopia (green-blind)

#3F380E

Tritanopia (blue-blind)

#293C35

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #283f08;
/* rgb */ color: rgb(40, 63, 8);
/* oklch */ color: oklch(33.6% 0.083 130.2);

Tailwind

colors: {
  custom: {
    50: '#65744c',
    500: '#283f08',
    950: '#000000',
  },
}

SCSS

$custom: #283f08;
$custom-light: #65744c;
$custom-dark: #000000;

JSON

{
  "hex": "#283f08",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 8
  },
  "hsl": {
    "h": 85.091,
    "s": 77.465,
    "l": 13.922
  },
  "oklch": {
    "l": 0.33632,
    "c": 0.08311,
    "h": 130.2
  },
  "luminance": 0.04024
}

Semantic roles & 50–950 ramp

primary

#283F08

secondary

#4A257E

accent

#34F484

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#060801

muted

#7A7B77

Preview Lab

Preview with #283F08

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

Preview Lab → · Contrast checker → · Palette generator →