#28440B#28440B

#28440B is a dark, moderate yellow-green. Relative luminance 0.046; OKLCH L 35.1% C 0.088 H 132.6°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#28440B
RGB	rgb(40, 68, 11)
HSL	hsl(89, 72%, 15%)
HSV	hsv(89, 84%, 27%)
CMYK	cmyk(41.2%, 0%, 83.8%, 73.3%)
CIE-LAB	lab(25.59, -21.21, 29.17)
CIE-LCH	lch(25.59, 36.07, 126.03°)
OKLab	oklab(35.14% -0.0598 0.0652)
OKLCH	oklch(35.14% 0.088 132.6)
XYZ	xyz(3.0026, 4.6094, 1.0480)
Luminance	0.0461 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 3.53

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28440B #270B44

analogous

#44430B #28440B #0B440B

triadic

#28440B #0B2844 #440B28

tetradic

#28440B #0B4443 #270B44 #440B0B

square

#28440B #0B4443 #270B44 #440B0B

split-complementary

#28440B #0B0B44 #430B44

monochromatic

#0F1A04 #0F1A04 #28440B #477914 #66AD1C

Accessibility & contrast

On white

10.93

#28440B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#28440B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28440B

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28440B	#FFFFFF	#000000	##FFFFFF
##28440B	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473E02

Deuteranopia (green-blind)

#433C11

Tritanopia (blue-blind)

#284139

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #28440b;
/* rgb */ color: rgb(40, 68, 11);
/* oklch */ color: oklch(35.1% 0.088 132.6);

Tailwind

colors: {
  custom: {
    50: '#65784f',
    500: '#28440b',
    950: '#000000',
  },
}

SCSS

$custom: #28440b;
$custom-light: #65784f;
$custom-dark: #000000;

JSON

{
  "hex": "#28440b",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 11
  },
  "hsl": {
    "h": 89.474,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.35142,
    "c": 0.08845,
    "h": 132.6
  },
  "luminance": 0.0461
}

Semantic roles & 50–950 ramp

primary

#28440B

secondary

#552A81

accent

#39EF92

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#060902

muted

#7A7B78

Preview Lab

Preview with #28440B

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

Preview Lab → · Contrast checker → · Palette generator →