#1B5A0F#1B5A0F

#1B5A0F is a dark, vivid green. Relative luminance 0.076; OKLCH L 41.2% C 0.123 H 140.9°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B5A0F
RGB	rgb(27, 90, 15)
HSL	hsl(110, 71%, 21%)
HSV	hsv(110, 83%, 35%)
CMYK	cmyk(70%, 0%, 83.3%, 64.7%)
CIE-LAB	lab(33.09, -34.91, 34.71)
CIE-LCH	lch(33.09, 49.23, 135.16°)
OKLab	oklab(41.17% -0.0955 0.0776)
OKLCH	oklch(41.17% 0.123 140.9)
XYZ	xyz(4.1942, 7.5794, 1.6938)
Luminance	0.0758 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5A0F #4E0F5A

analogous

#405A0F #1B5A0F #0F5A28

triadic

#1B5A0F #0F1B5A #5A0F1B

tetradic

#1B5A0F #0F405A #4E0F5A #5A280F

square

#1B5A0F #0F405A #4E0F5A #5A280F

split-complementary

#1B5A0F #280F5A #5A0F40

monochromatic

#081A04 #0B2606 #1B5A0F #2B8E18 #3AC320

Accessibility & contrast

On white

8.35

#1B5A0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1B5A0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A0F

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5A0F	#FFFFFF	#000000	##FFFFFF
##1B5A0F	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5100

Deuteranopia (green-blind)

#554C18

Tritanopia (blue-blind)

#10574C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5a0f;
/* rgb */ color: rgb(27, 90, 15);
/* oklch */ color: oklch(41.2% 0.123 140.9);

Tailwind

colors: {
  custom: {
    50: '#628954',
    500: '#1b5a0f',
    950: '#000000',
  },
}

SCSS

$custom: #1b5a0f;
$custom-light: #628954;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5a0f",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 15
  },
  "hsl": {
    "h": 110.4,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.41172,
    "c": 0.12306,
    "h": 140.9
  },
  "luminance": 0.0758
}

Semantic roles & 50–950 ramp

primary

#1B5A0F

secondary

#843194

accent

#3AEED1

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1B5A0F

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

Preview Lab → · Contrast checker → · Palette generator →