#273F04#273F04

#273F04 is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.5% C 0.087 H 130.3°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#273F04
RGB	rgb(39, 63, 4)
HSL	hsl(84, 88%, 13%)
HSV	hsv(84, 94%, 25%)
CMYK	cmyk(38.1%, 0%, 93.7%, 75.3%)
CIE-LAB	lab(23.65, -19.58, 30.10)
CIE-LCH	lch(23.65, 35.91, 123.04°)
OKLab	oklab(33.53% -0.056 0.0661)
OKLCH	oklch(33.53% 0.087 130.3)
XYZ	xyz(2.6361, 3.9950, 0.7471)
Luminance	0.0399 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 4.59

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273F04 #1C043F

analogous

#3F3904 #273F04 #093F04

triadic

#273F04 #04273F #3F0427

tetradic

#273F04 #043F39 #1C043F #3F0409

square

#273F04 #043F39 #1C043F #3F0409

split-complementary

#273F04 #04093F #39043F

monochromatic

#121D02 #121D02 #273F04 #4B7908 #6EB20B

Accessibility & contrast

On white

11.67

#273F04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#273F04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273F04

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273F04	#FFFFFF	#000000	##FFFFFF
##273F04	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)

#3F380A

Tritanopia (blue-blind)

#283C34

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #273f04;
/* rgb */ color: rgb(39, 63, 4);
/* oklch */ color: oklch(33.5% 0.087 130.3);

Tailwind

colors: {
  custom: {
    50: '#64744a',
    500: '#273f04',
    950: '#000000',
  },
}

SCSS

$custom: #273f04;
$custom-light: #64744a;
$custom-dark: #000000;

JSON

{
  "hex": "#273f04",
  "rgb": {
    "r": 39,
    "g": 63,
    "b": 4
  },
  "hsl": {
    "h": 84.407,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.33529,
    "c": 0.08665,
    "h": 130.3
  },
  "luminance": 0.03995
}

Semantic roles & 50–950 ramp

primary

#273F04

secondary

#461E80

accent

#2AFE80

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#060801

muted

#7A7B77

Preview Lab

Preview with #273F04

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

Preview Lab → · Contrast checker → · Palette generator →