#273F05#273F05

#273F05 is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.5% C 0.086 H 130.4°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#273F05
RGB	rgb(39, 63, 5)
HSL	hsl(85, 85%, 13%)
HSV	hsv(85, 92%, 25%)
CMYK	cmyk(38.1%, 0%, 92.1%, 75.3%)
CIE-LAB	lab(23.66, -19.50, 29.70)
CIE-LCH	lch(23.66, 35.53, 123.29°)
OKLab	oklab(33.54% -0.0557 0.0654)
OKLCH	oklch(33.54% 0.086 130.4)
XYZ	xyz(2.6416, 3.9972, 0.7759)
Luminance	0.0400 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 4.56

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273F05 #1D053F

analogous

#3F3A05 #273F05 #0A3F05

triadic

#273F05 #05273F #3F0527

tetradic

#273F05 #053F3A #1D053F #3F050A

square

#273F05 #053F3A #1D053F #3F050A

split-complementary

#273F05 #050A3F #3A053F

monochromatic

#121C02 #121C02 #273F05 #4A7809 #6DB00E

Accessibility & contrast

On white

11.67

#273F05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#273F05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273F05

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273F05	#FFFFFF	#000000	##FFFFFF
##273F05	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423900

Deuteranopia (green-blind)

#3F380B

Tritanopia (blue-blind)

#283C34

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #273f05;
/* rgb */ color: rgb(39, 63, 5);
/* oklch */ color: oklch(33.5% 0.086 130.4);

Tailwind

colors: {
  custom: {
    50: '#64744b',
    500: '#273f05',
    950: '#000000',
  },
}

SCSS

$custom: #273f05;
$custom-light: #64744b;
$custom-dark: #000000;

JSON

{
  "hex": "#273f05",
  "rgb": {
    "r": 39,
    "g": 63,
    "b": 5
  },
  "hsl": {
    "h": 84.828,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.33537,
    "c": 0.08591,
    "h": 130.4
  },
  "luminance": 0.03997
}

Semantic roles & 50–950 ramp

primary

#273F05

secondary

#482080

accent

#2CFC82

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#060801

muted

#7A7B77

Preview Lab

Preview with #273F05

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

Preview Lab → · Contrast checker → · Palette generator →