#283F1F#283F1F

#283F1F is a dark, moderate green. Relative luminance 0.041; OKLCH L 33.9% C 0.060 H 137.4°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#283F1F
RGB	rgb(40, 63, 31)
HSL	hsl(103, 34%, 18%)
HSV	hsv(103, 51%, 25%)
CMYK	cmyk(36.5%, 0%, 50.8%, 75.3%)
CIE-LAB	lab(24.02, -16.24, 16.79)
CIE-LCH	lch(24.02, 23.36, 134.05°)
OKLab	oklab(33.93% -0.0445 0.0409)
OKLCH	oklch(33.93% 0.06 137.4)
XYZ	xyz(2.8998, 4.1049, 1.9356)
Luminance	0.0411 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Pine Green

#0A481E

ΔE00 6.85

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F1F #361F3F

analogous

#383F1F #283F1F #1F3F26

triadic

#283F1F #1F283F #3F1F28

tetradic

#283F1F #1F383F #361F3F #3F261F

square

#283F1F #1F383F #361F3F #3F261F

split-complementary

#283F1F #261F3F #3F1F38

monochromatic

#0D150A #0E160B #283F1F #426833 #5C9147

Accessibility & contrast

On white

11.53

#283F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#283F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F1F

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F1F	#FFFFFF	#000000	##FFFFFF
##283F1F	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A1C

Deuteranopia (green-blind)

#3E3821

Tritanopia (blue-blind)

#273D37

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #283f1f;
/* rgb */ color: rgb(40, 63, 31);
/* oklch */ color: oklch(33.9% 0.060 137.4);

Tailwind

colors: {
  custom: {
    50: '#63745b',
    500: '#283f1f',
    950: '#000000',
  },
}

SCSS

$custom: #283f1f;
$custom-light: #63745b;
$custom-dark: #000000;

JSON

{
  "hex": "#283f1f",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 31
  },
  "hsl": {
    "h": 103.125,
    "s": 34.043,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33935,
    "c": 0.06048,
    "h": 137.4
  },
  "luminance": 0.04105
}

Semantic roles & 50–950 ramp

primary

#283F1F

secondary

#674773

accent

#5ECAAC

background

#F5F7F5

surface

#EAEDE9

border

#C6C8C5

text

#050804

muted

#797B79

Preview Lab

Preview with #283F1F

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

Preview Lab → · Contrast checker → · Palette generator →