#283818#283818

#283818 is a dark, muted yellow-green. Relative luminance 0.033; OKLCH L 31.8% C 0.056 H 130.8°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#283818
RGB	rgb(40, 56, 24)
HSL	hsl(90, 40%, 16%)
HSV	hsv(90, 57%, 22%)
CMYK	cmyk(28.6%, 0%, 57.1%, 78%)
CIE-LAB	lab(21.38, -13.33, 17.81)
CIE-LCH	lch(21.38, 22.24, 126.81°)
OKLab	oklab(31.76% -0.0369 0.0427)
OKLCH	oklch(31.76% 0.056 130.8)
XYZ	xyz(2.4541, 3.3454, 1.3804)
Luminance	0.0335 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283818 #281838

analogous

#383818 #283818 #183818

triadic

#283818 #182838 #381828

tetradic

#283818 #183838 #281838 #381818

square

#283818 #183838 #281838 #381818

split-complementary

#283818 #181838 #381838

monochromatic

#0F1509 #0F1509 #283818 #47632A #658E3D

Accessibility & contrast

On white

12.58

#283818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#283818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283818

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283818	#FFFFFF	#000000	##FFFFFF
##283818	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3415

Deuteranopia (green-blind)

#38331A

Tritanopia (blue-blind)

#293631

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #283818;
/* rgb */ color: rgb(40, 56, 24);
/* oklch */ color: oklch(31.8% 0.056 130.8);

Tailwind

colors: {
  custom: {
    50: '#636e55',
    500: '#283818',
    950: '#000000',
  },
}

SCSS

$custom: #283818;
$custom-light: #636e55;
$custom-dark: #000000;

JSON

{
  "hex": "#283818",
  "rgb": {
    "r": 40,
    "g": 56,
    "b": 24
  },
  "hsl": {
    "h": 90,
    "s": 40,
    "l": 15.686
  },
  "oklch": {
    "l": 0.31761,
    "c": 0.05648,
    "h": 130.8
  },
  "luminance": 0.03345
}

Semantic roles & 50–950 ramp

primary

#283818

secondary

#563E6E

accent

#58D094

background

#F5F6F5

surface

#EAECE9

border

#C6C7C5

text

#050703

muted

#797A78

Preview Lab

Preview with #283818

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

Preview Lab → · Contrast checker → · Palette generator →