#1B641A#1B641A

#1B641A is a dark, vivid green. Relative luminance 0.094; OKLCH L 44.3% C 0.129 H 142.8°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#1B641A
RGB	rgb(27, 100, 26)
HSL	hsl(119, 59%, 25%)
HSV	hsv(119, 74%, 39%)
CMYK	cmyk(73%, 0%, 74%, 60.8%)
CIE-LAB	lab(36.78, -37.76, 34.00)
CIE-LCH	lch(36.78, 50.81, 138.00°)
OKLab	oklab(44.26% -0.1026 0.0777)
OKLCH	oklch(44.26% 0.129 142.8)
XYZ	xyz(5.1953, 9.4214, 2.5218)
Luminance	0.0942 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B641A #631A64

analogous

#40641A #1B641A #1A643E

triadic

#1B641A #1A1B64 #641A1B

tetradic

#1B641A #1A4064 #631A64 #643E1A

square

#1B641A #1A4064 #631A64 #643E1A

split-complementary

#1B641A #3E1A64 #641A40

monochromatic

#071806 #0E330D #1B641A #289527 #35C533

Accessibility & contrast

On white

7.28

#1B641A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#1B641A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B641A

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B641A	#FFFFFF	#000000	##FFFFFF
##1B641A	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665A0F

Deuteranopia (green-blind)

#5E5421

Tritanopia (blue-blind)

#076155

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1b641a;
/* rgb */ color: rgb(27, 100, 26);
/* oklch */ color: oklch(44.3% 0.129 142.8);

Tailwind

colors: {
  custom: {
    50: '#63915b',
    500: '#1b641a',
    950: '#000000',
  },
}

SCSS

$custom: #1b641a;
$custom-light: #63915b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b641a",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 26
  },
  "hsl": {
    "h": 119.189,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.44257,
    "c": 0.1287,
    "h": 142.8
  },
  "luminance": 0.09422
}

Semantic roles & 50–950 ramp

primary

#1B641A

secondary

#98409A

accent

#46E2E0

background

#F6F9F5

surface

#EBF1E9

border

#C6CBC5

text

#060D04

muted

#7A7E79

Preview Lab

Preview with #1B641A

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

Preview Lab → · Contrast checker → · Palette generator →