#1B5A10#1B5A10

#1B5A10 is a dark, vivid green. Relative luminance 0.076; OKLCH L 41.2% C 0.122 H 141.0°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#1B5A10
RGB	rgb(27, 90, 16)
HSL	hsl(111, 70%, 21%)
HSV	hsv(111, 82%, 35%)
CMYK	cmyk(70%, 0%, 82.2%, 64.7%)
CIE-LAB	lab(33.10, -34.84, 34.35)
CIE-LCH	lch(33.10, 48.92, 135.40°)
OKLab	oklab(41.18% -0.0952 0.077)
OKLCH	oklch(41.18% 0.122 141)
XYZ	xyz(4.2015, 7.5823, 1.7322)
Luminance	0.0758 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5A10 #4F105A

analogous

#405A10 #1B5A10 #105A2A

triadic

#1B5A10 #101B5A #5A101B

tetradic

#1B5A10 #10405A #4F105A #5A2A10

square

#1B5A10 #10405A #4F105A #5A2A10

split-complementary

#1B5A10 #2A105A #5A1040

monochromatic

#081A05 #0B2607 #1B5A10 #2B8E19 #3AC222

Accessibility & contrast

On white

8.34

#1B5A10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1B5A10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A10

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5A10	#FFFFFF	#000000	##FFFFFF
##1B5A10	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5102

Deuteranopia (green-blind)

#554C18

Tritanopia (blue-blind)

#10574C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5a10;
/* rgb */ color: rgb(27, 90, 16);
/* oklch */ color: oklch(41.2% 0.122 141.0);

Tailwind

colors: {
  custom: {
    50: '#628954',
    500: '#1b5a10',
    950: '#000000',
  },
}

SCSS

$custom: #1b5a10;
$custom-light: #628954;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5a10",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 16
  },
  "hsl": {
    "h": 111.081,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.41179,
    "c": 0.12248,
    "h": 141
  },
  "luminance": 0.07583
}

Semantic roles & 50–950 ramp

primary

#1B5A10

secondary

#853393

accent

#3BEDD2

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1B5A10

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

Preview Lab → · Contrast checker → · Palette generator →