#28430B#28430B

#28430B is a dark, moderate yellow-green. Relative luminance 0.045; OKLCH L 34.8% C 0.087 H 132.2°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX#28430B
RGBrgb(40, 67, 11)
HSLhsl(89, 72%, 15%)
HSVhsv(89, 84%, 26%)
CMYKcmyk(40.3%, 0%, 83.6%, 73.7%)
CIE-LABlab(25.23, -20.71, 28.81)
CIE-LCHlch(25.23, 35.48, 125.70°)
OKLaboklab(34.85% -0.0584 0.0644)
OKLCHoklch(34.85% 0.087 132.2)
XYZxyz(2.9426, 4.4895, 1.0281)
Luminance0.0449 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28430B #260B43
analogous
#43420B #28430B #0C430B
triadic
#28430B #0B2843 #430B28
tetradic
#28430B #0B4342 #260B43 #430B0C
square
#28430B #0B4342 #260B43 #430B0C
split-complementary
#28430B #0B0C43 #420B43
monochromatic
#101A04 #101A04 #28430B #477814 #67AC1C

Accessibility & contrast

On white

11.06
#28430B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.90
#28430B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28430B
11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28430B#FFFFFF#000000##FFFFFF
##28430B1.0011.061.9011.06
#FFFFFF11.061.0021.001.00
#0000001.9021.001.0021.00
##FFFFFF11.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#463D02
Deuteranopia (green-blind)
#433B11
Tritanopia (blue-blind)
#294038
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #28430b;
/* rgb */ color: rgb(40, 67, 11);
/* oklch */ color: oklch(34.8% 0.087 132.2);
Tailwind
colors: {
  custom: {
    50: '#65774e',
    500: '#28430b',
    950: '#000000',
  },
}
SCSS
$custom: #28430b;
$custom-light: #65774e;
$custom-dark: #000000;
JSON
{
  "hex": "#28430b",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 11
  },
  "hsl": {
    "h": 88.929,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.34845,
    "c": 0.08696,
    "h": 132.2
  },
  "luminance": 0.0449
}

Semantic roles & 50–950 ramp

primary
#28430B
secondary
#532A80
accent
#39EF91
background
#F6F7F4
surface
#EBEDE7
border
#C6C8C3
text
#060802
muted
#7A7B78

Preview Lab

Preview with #28430B

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

Preview Lab → · Contrast checker → · Palette generator →

#28430B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva