#28380B#28380B

#28380B is a dark, moderate yellow-green. Relative luminance 0.033; OKLCH L 31.6% C 0.070 H 127.1°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#28380B
RGB	rgb(40, 56, 11)
HSL	hsl(81, 67%, 13%)
HSV	hsv(81, 80%, 22%)
CMYK	cmyk(28.6%, 0%, 80.4%, 78%)
CIE-LAB	lab(21.22, -14.78, 24.71)
CIE-LCH	lch(21.22, 28.79, 120.88°)
OKLab	oklab(31.59% -0.0423 0.056)
OKLCH	oklch(31.59% 0.07 127.1)
XYZ	xyz(2.3497, 3.3036, 0.8304)
Luminance	0.0330 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28380B #1B0B38

analogous

#38310B #28380B #11380B

triadic

#28380B #0B2838 #380B28

tetradic

#28380B #0B3831 #1B0B38 #380B11

square

#28380B #0B3831 #1B0B38 #380B11

split-complementary

#28380B #0B1138 #310B38

monochromatic

#121A05 #121A05 #28380B #4D6B15 #719E1F

Accessibility & contrast

On white

12.64

#28380B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#28380B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28380B

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28380B	#FFFFFF	#000000	##FFFFFF
##28380B	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3405

Deuteranopia (green-blind)

#39330F

Tritanopia (blue-blind)

#2A352F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #28380b;
/* rgb */ color: rgb(40, 56, 11);
/* oklch */ color: oklch(31.6% 0.070 127.1);

Tailwind

colors: {
  custom: {
    50: '#646e4d',
    500: '#28380b',
    950: '#000000',
  },
}

SCSS

$custom: #28380b;
$custom-light: #646e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#28380b",
  "rgb": {
    "r": 40,
    "g": 56,
    "b": 11
  },
  "hsl": {
    "h": 81.333,
    "s": 67.164,
    "l": 13.137
  },
  "oklch": {
    "l": 0.31585,
    "c": 0.07019,
    "h": 127.1
  },
  "luminance": 0.03304
}

Semantic roles & 50–950 ramp

primary

#28380B

secondary

#452A75

accent

#3EEA7B

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050701

muted

#7A7A77

Preview Lab

Preview with #28380B

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

Preview Lab → · Contrast checker → · Palette generator →