#1B5D2F#1B5D2F

#1B5D2F is a dark, moderate green. Relative luminance 0.083; OKLCH L 42.5% C 0.100 H 149.8°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#1B5D2F
RGB	rgb(27, 93, 47)
HSL	hsl(138, 55%, 24%)
HSV	hsv(138, 71%, 36%)
CMYK	cmyk(71%, 0%, 49.5%, 63.5%)
CIE-LAB	lab(34.53, -31.98, 20.49)
CIE-LCH	lch(34.53, 37.98, 147.36°)
OKLab	oklab(42.48% -0.0862 0.0502)
OKLCH	oklch(42.48% 0.1 149.8)
XYZ	xyz(4.8791, 8.2664, 4.0272)
Luminance	0.0827 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5D2F #5D1B49

analogous

#285D1B #1B5D2F #1B5D50

triadic

#1B5D2F #2F1B5D #5D2F1B

tetradic

#1B5D2F #1B285D #5D1B49 #5D501B

square

#1B5D2F #1B285D #5D1B49 #5D501B

split-complementary

#1B5D2F #501B5D #5D1B28

monochromatic

#07180C #0D2E17 #1B5D2F #298C47 #37BC5F

Accessibility & contrast

On white

7.91

#1B5D2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1B5D2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5D2F

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5D2F	#FFFFFF	#000000	##FFFFFF
##1B5D2F	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552B

Deuteranopia (green-blind)

#554F32

Tritanopia (blue-blind)

#015B52

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5d2f;
/* rgb */ color: rgb(27, 93, 47);
/* oklch */ color: oklch(42.5% 0.100 149.8);

Tailwind

colors: {
  custom: {
    50: '#618c68',
    500: '#1b5d2f',
    950: '#000000',
  },
}

SCSS

$custom: #1b5d2f;
$custom-light: #618c68;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5d2f",
  "rgb": {
    "r": 27,
    "g": 93,
    "b": 47
  },
  "hsl": {
    "h": 138.182,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.42478,
    "c": 0.09978,
    "h": 149.8
  },
  "luminance": 0.08267
}

Semantic roles & 50–950 ramp

primary

#1B5D2F

secondary

#93417A

accent

#49B1DE

background

#F6F8F6

surface

#EBF0EB

border

#C6CBC6

text

#050C06

muted

#7A7D7A

Preview Lab

Preview with #1B5D2F

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

Preview Lab → · Contrast checker → · Palette generator →