#1B5C2F#1B5C2F

#1B5C2F is a dark, moderate green. Relative luminance 0.081; OKLCH L 42.2% C 0.098 H 150.0°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#1B5C2F
RGB	rgb(27, 92, 47)
HSL	hsl(138, 55%, 23%)
HSV	hsv(138, 71%, 36%)
CMYK	cmyk(70.7%, 0%, 48.9%, 63.9%)
CIE-LAB	lab(34.17, -31.55, 20.03)
CIE-LCH	lch(34.17, 37.38, 147.59°)
OKLab	oklab(42.18% -0.0851 0.0491)
OKLCH	oklch(42.18% 0.098 150)
XYZ	xyz(4.7919, 8.0920, 3.9982)
Luminance	0.0809 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5C2F #5C1B48

analogous

#275C1B #1B5C2F #1B5C4F

triadic

#1B5C2F #2F1B5C #5C2F1B

tetradic

#1B5C2F #1B275C #5C1B48 #5C4F1B

square

#1B5C2F #1B275C #5C1B48 #5C4F1B

split-complementary

#1B5C2F #4F1B5C #5C1B27

monochromatic

#07180C #0D2D17 #1B5C2F #298B47 #37BB5F

Accessibility & contrast

On white

8.02

#1B5C2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1B5C2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5C2F

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5C2F	#FFFFFF	#000000	##FFFFFF
##1B5C2F	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542C

Deuteranopia (green-blind)

#544E32

Tritanopia (blue-blind)

#025A51

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5c2f;
/* rgb */ color: rgb(27, 92, 47);
/* oklch */ color: oklch(42.2% 0.098 150.0);

Tailwind

colors: {
  custom: {
    50: '#608b68',
    500: '#1b5c2f',
    950: '#000000',
  },
}

SCSS

$custom: #1b5c2f;
$custom-light: #608b68;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5c2f",
  "rgb": {
    "r": 27,
    "g": 92,
    "b": 47
  },
  "hsl": {
    "h": 138.462,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.42183,
    "c": 0.09826,
    "h": 150
  },
  "luminance": 0.08093
}

Semantic roles & 50–950 ramp

primary

#1B5C2F

secondary

#924179

accent

#4AB0DE

background

#F6F8F6

surface

#EBF0EB

border

#C6CBC6

text

#050C06

muted

#7A7D7A

Preview Lab

Preview with #1B5C2F

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

Preview Lab → · Contrast checker → · Palette generator →