#283F17#283F17

#283F17 is a dark, moderate yellow-green. Relative luminance 0.041; OKLCH L 33.8% C 0.070 H 133.7°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#283F17
RGB	rgb(40, 63, 23)
HSL	hsl(95, 47%, 17%)
HSV	hsv(95, 63%, 25%)
CMYK	cmyk(36.5%, 0%, 63.5%, 75.3%)
CIE-LAB	lab(23.89, -17.41, 21.40)
CIE-LCH	lch(23.89, 27.59, 129.12°)
OKLab	oklab(33.8% -0.0483 0.0505)
OKLCH	oklch(33.8% 0.07 133.7)
XYZ	xyz(2.8072, 4.0679, 1.4477)
Luminance	0.0407 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 5.66

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 6.97

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F17 #2E173F

analogous

#3C3F17 #283F17 #173F1A

triadic

#283F17 #17283F #3F1728

tetradic

#283F17 #173C3F #2E173F #3F1A17

square

#283F17 #173C3F #2E173F #3F1A17

split-complementary

#283F17 #1A173F #3F173C

monochromatic

#0E1608 #0E1608 #283F17 #446C27 #619938

Accessibility & contrast

On white

11.58

#283F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#283F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F17

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F17	#FFFFFF	#000000	##FFFFFF
##283F17	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A13

Deuteranopia (green-blind)

#3E381A

Tritanopia (blue-blind)

#283C36

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #283f17;
/* rgb */ color: rgb(40, 63, 23);
/* oklch */ color: oklch(33.8% 0.070 133.7);

Tailwind

colors: {
  custom: {
    50: '#647455',
    500: '#283f17',
    950: '#000000',
  },
}

SCSS

$custom: #283f17;
$custom-light: #647455;
$custom-dark: #000000;

JSON

{
  "hex": "#283f17",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 23
  },
  "hsl": {
    "h": 94.5,
    "s": 46.512,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33797,
    "c": 0.06988,
    "h": 133.7
  },
  "luminance": 0.04068
}

Semantic roles & 50–950 ramp

primary

#283F17

secondary

#5D3C76

accent

#52D69E

background

#F6F7F5

surface

#EBEDE9

border

#C6C8C5

text

#050803

muted

#7A7B78

Preview Lab

Preview with #283F17

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

Preview Lab → · Contrast checker → · Palette generator →