#283B19#283B19

#283B19 is a dark, moderate yellow-green. Relative luminance 0.036; OKLCH L 32.7% C 0.061 H 132.9°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#283B19
RGB	rgb(40, 59, 25)
HSL	hsl(94, 40%, 16%)
HSV	hsv(94, 58%, 23%)
CMYK	cmyk(32.2%, 0%, 57.6%, 76.9%)
CIE-LAB	lab(22.48, -14.91, 18.54)
CIE-LCH	lch(22.48, 23.79, 128.81°)
OKLab	oklab(32.66% -0.0412 0.0444)
OKLCH	oklch(32.66% 0.061 132.9)
XYZ	xyz(2.6145, 3.6492, 1.4861)
Luminance	0.0365 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283B19 #2C193B

analogous

#393B19 #283B19 #193B1B

triadic

#283B19 #19283B #3B1928

tetradic

#283B19 #19393B #2C193B #3B1B19

square

#283B19 #19393B #2C193B #3B1B19

split-complementary

#283B19 #1B193B #3B1939

monochromatic

#0F1509 #0F1509 #283B19 #45662B #62913D

Accessibility & contrast

On white

12.14

#283B19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#283B19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283B19

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283B19	#FFFFFF	#000000	##FFFFFF
##283B19	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3716

Deuteranopia (green-blind)

#3B351B

Tritanopia (blue-blind)

#283933

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #283b19;
/* rgb */ color: rgb(40, 59, 25);
/* oklch */ color: oklch(32.7% 0.061 132.9);

Tailwind

colors: {
  custom: {
    50: '#637156',
    500: '#283b19',
    950: '#000000',
  },
}

SCSS

$custom: #283b19;
$custom-light: #637156;
$custom-dark: #000000;

JSON

{
  "hex": "#283b19",
  "rgb": {
    "r": 40,
    "g": 59,
    "b": 25
  },
  "hsl": {
    "h": 93.529,
    "s": 40.476,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32655,
    "c": 0.06062,
    "h": 132.9
  },
  "luminance": 0.03649
}

Semantic roles & 50–950 ramp

primary

#283B19

secondary

#5B3F71

accent

#57D09B

background

#F5F6F5

surface

#EAECE9

border

#C6C7C5

text

#050703

muted

#797A78

Preview Lab

Preview with #283B19

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

Preview Lab → · Contrast checker → · Palette generator →