#273F0B#273F0B

#273F0B is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.6% C 0.082 H 131.4°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#273F0B
RGB	rgb(39, 63, 11)
HSL	hsl(88, 70%, 15%)
HSV	hsv(88, 83%, 25%)
CMYK	cmyk(38.1%, 0%, 82.5%, 75.3%)
CIE-LAB	lab(23.71, -19.06, 27.29)
CIE-LCH	lch(23.71, 33.29, 124.94°)
OKLab	oklab(33.59% -0.0539 0.0612)
OKLCH	oklch(33.59% 0.082 131.4)
XYZ	xyz(2.6746, 4.0104, 0.9497)
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)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273F0B #230B3F

analogous

#3F3D0B #273F0B #0D3F0B

triadic

#273F0B #0B273F #3F0B27

tetradic

#273F0B #0B3F3D #230B3F #3F0B0D

square

#273F0B #0B3F3D #230B3F #3F0B0D

split-complementary

#273F0B #0B0D3F #3D0B3F

monochromatic

#101A05 #101A05 #273F0B #477314 #68A71D

Accessibility & contrast

On white

11.65

#273F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#273F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273F0B

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273F0B	#FFFFFF	#000000	##FFFFFF
##273F0B	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A03

Deuteranopia (green-blind)

#3F3810

Tritanopia (blue-blind)

#283C35

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #273f0b;
/* rgb */ color: rgb(39, 63, 11);
/* oklch */ color: oklch(33.6% 0.082 131.4);

Tailwind

colors: {
  custom: {
    50: '#64744e',
    500: '#273f0b',
    950: '#000000',
  },
}

SCSS

$custom: #273f0b;
$custom-light: #64744e;
$custom-dark: #000000;

JSON

{
  "hex": "#273f0b",
  "rgb": {
    "r": 39,
    "g": 63,
    "b": 11
  },
  "hsl": {
    "h": 87.692,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33587,
    "c": 0.08159,
    "h": 131.4
  },
  "luminance": 0.04011
}

Semantic roles & 50–950 ramp

primary

#273F0B

secondary

#502A7C

accent

#3BED8D

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#050802

muted

#7A7B78

Preview Lab

Preview with #273F0B

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

Preview Lab → · Contrast checker → · Palette generator →