#1B5D2E#1B5D2E

#1B5D2E is a dark, moderate green. Relative luminance 0.083; OKLCH L 42.5% C 0.101 H 149.3°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#1B5D2E
RGB	rgb(27, 93, 46)
HSL	hsl(137, 55%, 24%)
HSV	hsv(137, 71%, 36%)
CMYK	cmyk(71%, 0%, 50.5%, 63.5%)
CIE-LAB	lab(34.52, -32.17, 21.04)
CIE-LCH	lch(34.52, 38.44, 146.81°)
OKLab	oklab(42.46% -0.0867 0.0514)
OKLCH	oklch(42.46% 0.101 149.3)
XYZ	xyz(4.8591, 8.2585, 3.9222)
Luminance	0.0826 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5D2E #5D1B4A

analogous

#295D1B #1B5D2E #1B5D4F

triadic

#1B5D2E #2E1B5D #5D2E1B

tetradic

#1B5D2E #1B295D #5D1B4A #5D4F1B

square

#1B5D2E #1B295D #5D1B4A #5D4F1B

split-complementary

#1B5D2E #4F1B5D #5D1B29

monochromatic

#07180C #0D2E17 #1B5D2E #298C45 #37BC5D

Accessibility & contrast

On white

7.92

#1B5D2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1B5D2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5D2E

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5D2E	#FFFFFF	#000000	##FFFFFF
##1B5D2E	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552A

Deuteranopia (green-blind)

#564F31

Tritanopia (blue-blind)

#025B52

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5d2e;
/* rgb */ color: rgb(27, 93, 46);
/* oklch */ color: oklch(42.5% 0.101 149.3);

Tailwind

colors: {
  custom: {
    50: '#618c67',
    500: '#1b5d2e',
    950: '#000000',
  },
}

SCSS

$custom: #1b5d2e;
$custom-light: #618c67;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5d2e",
  "rgb": {
    "r": 27,
    "g": 93,
    "b": 46
  },
  "hsl": {
    "h": 137.273,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.42459,
    "c": 0.10082,
    "h": 149.3
  },
  "luminance": 0.08259
}

Semantic roles & 50–950 ramp

primary

#1B5D2E

secondary

#93417B

accent

#49B3DE

background

#F6F8F6

surface

#EBF0EB

border

#C6CBC6

text

#050C06

muted

#7A7D7A

Preview Lab

Preview with #1B5D2E

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

Preview Lab → · Contrast checker → · Palette generator →