#283A04#283A04

#283A04 is a dark, moderate yellow-green. Relative luminance 0.035; OKLCH L 32.1% C 0.079 H 127.1°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#283A04
RGB	rgb(40, 58, 4)
HSL	hsl(80, 87%, 12%)
HSV	hsv(80, 93%, 23%)
CMYK	cmyk(31%, 0%, 93.1%, 77.3%)
CIE-LAB	lab(21.89, -16.44, 28.30)
CIE-LCH	lch(21.89, 32.73, 120.16°)
OKLab	oklab(32.11% -0.0476 0.0629)
OKLCH	oklch(32.11% 0.079 127.1)
XYZ	xyz(2.4101, 3.4859, 0.6607)
Luminance	0.0349 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283A04 #16043A

analogous

#3A3104 #283A04 #0D3A04

triadic

#283A04 #04283A #3A0428

tetradic

#283A04 #043A31 #16043A #3A040D

square

#283A04 #043A31 #16043A #3A040D

split-complementary

#283A04 #040D3A #31043A

monochromatic

#141D02 #141D02 #283A04 #4F7308 #77AD0C

Accessibility & contrast

On white

12.37

#283A04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#283A04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283A04

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283A04	#FFFFFF	#000000	##FFFFFF
##283A04	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3500

Deuteranopia (green-blind)

#3B3409

Tritanopia (blue-blind)

#2A3730

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #283a04;
/* rgb */ color: rgb(40, 58, 4);
/* oklch */ color: oklch(32.1% 0.079 127.1);

Tailwind

colors: {
  custom: {
    50: '#64704a',
    500: '#283a04',
    950: '#000000',
  },
}

SCSS

$custom: #283a04;
$custom-light: #64704a;
$custom-dark: #000000;

JSON

{
  "hex": "#283a04",
  "rgb": {
    "r": 40,
    "g": 58,
    "b": 4
  },
  "hsl": {
    "h": 80,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.32112,
    "c": 0.07887,
    "h": 127.1
  },
  "luminance": 0.03486
}

Semantic roles & 50–950 ramp

primary

#283A04

secondary

#3D1E7C

accent

#2BFD71

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#060701

muted

#7A7A77

Preview Lab

Preview with #283A04

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

Preview Lab → · Contrast checker → · Palette generator →