#1B5F15#1B5F15

#1B5F15 is a dark, vivid green. Relative luminance 0.085; OKLCH L 42.7% C 0.126 H 142.0°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B5F15
RGB	rgb(27, 95, 21)
HSL	hsl(115, 64%, 23%)
HSV	hsv(115, 78%, 37%)
CMYK	cmyk(71.6%, 0%, 77.9%, 62.7%)
CIE-LAB	lab(34.95, -36.34, 34.22)
CIE-LCH	lch(34.95, 49.92, 136.72°)
OKLab	oklab(42.72% -0.099 0.0775)
OKLCH	oklch(42.72% 0.126 142)
XYZ	xyz(4.6793, 8.4711, 2.0978)
Luminance	0.0847 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5F15 #59155F

analogous

#405F15 #1B5F15 #155F34

triadic

#1B5F15 #151B5F #5F151B

tetradic

#1B5F15 #15405F #59155F #5F3415

square

#1B5F15 #15405F #59155F #5F3415

split-complementary

#1B5F15 #34155F #5F1540

monochromatic

#071906 #0D2D0A #1B5F15 #299120 #37C32B

Accessibility & contrast

On white

7.79

#1B5F15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1B5F15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5F15

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5F15	#FFFFFF	#000000	##FFFFFF
##1B5F15	1.00	7.79	2.69	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615608

Deuteranopia (green-blind)

#59501D

Tritanopia (blue-blind)

#0C5C51

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b5f15;
/* rgb */ color: rgb(27, 95, 21);
/* oklch */ color: oklch(42.7% 0.126 142.0);

Tailwind

colors: {
  custom: {
    50: '#638d58',
    500: '#1b5f15',
    950: '#000000',
  },
}

SCSS

$custom: #1b5f15;
$custom-light: #638d58;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5f15",
  "rgb": {
    "r": 27,
    "g": 95,
    "b": 21
  },
  "hsl": {
    "h": 115.135,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.42721,
    "c": 0.12574,
    "h": 142
  },
  "luminance": 0.08472
}

Semantic roles & 50–950 ramp

primary

#1B5F15

secondary

#8F3A96

accent

#41E7D9

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1B5F15

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

Preview Lab → · Contrast checker → · Palette generator →