#273F09#273F09

#273F09 is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.6% C 0.083 H 131.0°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#273F09
RGB	rgb(39, 63, 9)
HSL	hsl(87, 75%, 14%)
HSV	hsv(87, 86%, 25%)
CMYK	cmyk(38.1%, 0%, 85.7%, 75.3%)
CIE-LAB	lab(23.69, -19.21, 28.10)
CIE-LCH	lch(23.69, 34.04, 124.36°)
OKLab	oklab(33.57% -0.0545 0.0626)
OKLCH	oklch(33.57% 0.083 131)
XYZ	xyz(2.6635, 4.0060, 0.8913)
Luminance	0.0401 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 4.48

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 6.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273F09 #21093F

analogous

#3F3C09 #273F09 #0C3F09

triadic

#273F09 #09273F #3F0927

tetradic

#273F09 #093F3C #21093F #3F090C

square

#273F09 #093F3C #21093F #3F090C

split-complementary

#273F09 #090C3F #3C093F

monochromatic

#111B04 #111B04 #273F09 #487511 #69AA18

Accessibility & contrast

On white

11.66

#273F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#273F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273F09

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273F09	#FFFFFF	#000000	##FFFFFF
##273F09	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A01

Deuteranopia (green-blind)

#3F380E

Tritanopia (blue-blind)

#283C35

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #273f09;
/* rgb */ color: rgb(39, 63, 9);
/* oklch */ color: oklch(33.6% 0.083 131.0);

Tailwind

colors: {
  custom: {
    50: '#64744d',
    500: '#273f09',
    950: '#000000',
  },
}

SCSS

$custom: #273f09;
$custom-light: #64744d;
$custom-dark: #000000;

JSON

{
  "hex": "#273f09",
  "rgb": {
    "r": 39,
    "g": 63,
    "b": 9
  },
  "hsl": {
    "h": 86.667,
    "s": 75,
    "l": 14.118
  },
  "oklch": {
    "l": 0.3357,
    "c": 0.08302,
    "h": 131
  },
  "luminance": 0.04006
}

Semantic roles & 50–950 ramp

primary

#273F09

secondary

#4D277D

accent

#36F289

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#050801

muted

#7A7B77

Preview Lab

Preview with #273F09

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

Preview Lab → · Contrast checker → · Palette generator →