#28390B#28390B

#28390B is a dark, moderate yellow-green. Relative luminance 0.034; OKLCH L 31.9% C 0.072 H 127.7°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#28390B
RGB	rgb(40, 57, 11)
HSL	hsl(82, 68%, 13%)
HSV	hsv(82, 81%, 22%)
CMYK	cmyk(29.8%, 0%, 80.7%, 77.6%)
CIE-LAB	lab(21.59, -15.35, 25.10)
CIE-LCH	lch(21.59, 29.42, 121.43°)
OKLab	oklab(31.88% -0.0438 0.0568)
OKLCH	oklch(31.88% 0.072 127.7)
XYZ	xyz(2.3986, 3.4015, 0.8467)
Luminance	0.0340 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28390B #1C0B39

analogous

#39330B #28390B #11390B

triadic

#28390B #0B2839 #390B28

tetradic

#28390B #0B3933 #1C0B39 #390B11

square

#28390B #0B3933 #1C0B39 #390B11

split-complementary

#28390B #0B1139 #330B39

monochromatic

#121A05 #121A05 #28390B #4C6C15 #70A01F

Accessibility & contrast

On white

12.50

#28390B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#28390B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28390B

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28390B	#FFFFFF	#000000	##FFFFFF
##28390B	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3405

Deuteranopia (green-blind)

#3A330F

Tritanopia (blue-blind)

#2A3630

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #28390b;
/* rgb */ color: rgb(40, 57, 11);
/* oklch */ color: oklch(31.9% 0.072 127.7);

Tailwind

colors: {
  custom: {
    50: '#646f4d',
    500: '#28390b',
    950: '#000000',
  },
}

SCSS

$custom: #28390b;
$custom-light: #646f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#28390b",
  "rgb": {
    "r": 40,
    "g": 57,
    "b": 11
  },
  "hsl": {
    "h": 82.174,
    "s": 67.647,
    "l": 13.333
  },
  "oklch": {
    "l": 0.3188,
    "c": 0.07175,
    "h": 127.7
  },
  "luminance": 0.03402
}

Semantic roles & 50–950 ramp

primary

#28390B

secondary

#462A76

accent

#3DEB7D

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050701

muted

#7A7A77

Preview Lab

Preview with #28390B

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

Preview Lab → · Contrast checker → · Palette generator →