#273A05#273A05

#273A05 is a dark, moderate yellow-green. Relative luminance 0.035; OKLCH L 32.0% C 0.079 H 128.1°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#273A05
RGB	rgb(39, 58, 5)
HSL	hsl(82, 84%, 12%)
HSV	hsv(82, 91%, 23%)
CMYK	cmyk(32.8%, 0%, 91.4%, 77.3%)
CIE-LAB	lab(21.83, -16.84, 27.80)
CIE-LCH	lch(21.83, 32.50, 121.20°)
OKLab	oklab(32.04% -0.0485 0.0619)
OKLCH	oklch(32.04% 0.079 128.1)
XYZ	xyz(2.3772, 3.4683, 0.6878)
Luminance	0.0347 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273A05 #18053A

analogous

#3A3205 #273A05 #0D3A05

triadic

#273A05 #05273A #3A0527

tetradic

#273A05 #053A32 #18053A #3A050D

square

#273A05 #053A32 #18053A #3A050D

split-complementary

#273A05 #050D3A #32053A

monochromatic

#131C02 #131C02 #273A05 #4D720A #73AB0F

Accessibility & contrast

On white

12.40

#273A05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#273A05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273A05

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273A05	#FFFFFF	#000000	##FFFFFF
##273A05	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3500

Deuteranopia (green-blind)

#3B340A

Tritanopia (blue-blind)

#293730

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #273a05;
/* rgb */ color: rgb(39, 58, 5);
/* oklch */ color: oklch(32.0% 0.079 128.1);

Tailwind

colors: {
  custom: {
    50: '#63704a',
    500: '#273a05',
    950: '#000000',
  },
}

SCSS

$custom: #273a05;
$custom-light: #63704a;
$custom-dark: #000000;

JSON

{
  "hex": "#273a05",
  "rgb": {
    "r": 39,
    "g": 58,
    "b": 5
  },
  "hsl": {
    "h": 81.509,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.32044,
    "c": 0.07866,
    "h": 128.1
  },
  "luminance": 0.03468
}

Semantic roles & 50–950 ramp

primary

#273A05

secondary

#40207B

accent

#2DFA77

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050701

muted

#7A7A77

Preview Lab

Preview with #273A05

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

Preview Lab → · Contrast checker → · Palette generator →