#283F19#283F19

#283F19 is a dark, moderate yellow-green. Relative luminance 0.041; OKLCH L 33.8% C 0.068 H 134.5°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#283F19
RGB	rgb(40, 63, 25)
HSL	hsl(96, 43%, 17%)
HSV	hsv(96, 60%, 25%)
CMYK	cmyk(36.5%, 0%, 60.3%, 75.3%)
CIE-LAB	lab(23.92, -17.14, 20.28)
CIE-LCH	lch(23.92, 26.56, 130.20°)
OKLab	oklab(33.83% -0.0474 0.0483)
OKLCH	oklch(33.83% 0.068 134.5)
XYZ	xyz(2.8280, 4.0762, 1.5573)
Luminance	0.0408 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F19 #30193F

analogous

#3B3F19 #283F19 #193F1D

triadic

#283F19 #19283F #3F1928

tetradic

#283F19 #193B3F #30193F #3F1D19

square

#283F19 #193B3F #30193F #3F1D19

split-complementary

#283F19 #1D193F #3F193B

monochromatic

#0E1609 #0E1609 #283F19 #446B2A #60973C

Accessibility & contrast

On white

11.57

#283F19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#283F19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F19

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F19	#FFFFFF	#000000	##FFFFFF
##283F19	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A15

Deuteranopia (green-blind)

#3E381C

Tritanopia (blue-blind)

#283D36

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #283f19;
/* rgb */ color: rgb(40, 63, 25);
/* oklch */ color: oklch(33.8% 0.068 134.5);

Tailwind

colors: {
  custom: {
    50: '#637457',
    500: '#283f19',
    950: '#000000',
  },
}

SCSS

$custom: #283f19;
$custom-light: #637457;
$custom-dark: #000000;

JSON

{
  "hex": "#283f19",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 25
  },
  "hsl": {
    "h": 96.316,
    "s": 43.182,
    "l": 17.255
  },
  "oklch": {
    "l": 0.33828,
    "c": 0.06764,
    "h": 134.5
  },
  "luminance": 0.04076
}

Semantic roles & 50–950 ramp

primary

#283F19

secondary

#603F75

accent

#55D3A1

background

#F6F7F5

surface

#EBEDE9

border

#C6C8C5

text

#050803

muted

#7A7B78

Preview Lab

Preview with #283F19

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

Preview Lab → · Contrast checker → · Palette generator →