#1B5A31#1B5A31

#1B5A31 is a dark, moderate green. Relative luminance 0.078; OKLCH L 41.6% C 0.093 H 151.5°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#1B5A31
RGB	rgb(27, 90, 49)
HSL	hsl(141, 54%, 23%)
HSV	hsv(141, 70%, 35%)
CMYK	cmyk(70%, 0%, 45.6%, 64.7%)
CIE-LAB	lab(33.49, -30.30, 17.98)
CIE-LCH	lch(33.49, 35.23, 149.32°)
OKLab	oklab(41.63% -0.0818 0.0445)
OKLCH	oklch(41.63% 0.093 151.5)
XYZ	xyz(4.6622, 7.7666, 4.1585)
Luminance	0.0777 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5A31 #5A1B44

analogous

#255A1B #1B5A31 #1B5A50

triadic

#1B5A31 #311B5A #5A311B

tetradic

#1B5A31 #1B255A #5A1B44 #5A501B

square

#1B5A31 #1B255A #5A1B44 #5A501B

split-complementary

#1B5A31 #501B5A #5A1B25

monochromatic

#07180D #0D2B17 #1B5A31 #29894B #37B864

Accessibility & contrast

On white

8.22

#1B5A31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1B5A31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A31

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5A31	#FFFFFF	#000000	##FFFFFF
##1B5A31	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522E

Deuteranopia (green-blind)

#524D34

Tritanopia (blue-blind)

#015950

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1b5a31;
/* rgb */ color: rgb(27, 90, 49);
/* oklch */ color: oklch(41.6% 0.093 151.5);

Tailwind

colors: {
  custom: {
    50: '#608969',
    500: '#1b5a31',
    950: '#000000',
  },
}

SCSS

$custom: #1b5a31;
$custom-light: #608969;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5a31",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 49
  },
  "hsl": {
    "h": 140.952,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.41633,
    "c": 0.09309,
    "h": 151.5
  },
  "luminance": 0.07767
}

Semantic roles & 50–950 ramp

primary

#1B5A31

secondary

#904174

accent

#4BAADD

background

#F5F8F6

surface

#EAF0EB

border

#C6CBC6

text

#050B06

muted

#797C7A

Preview Lab

Preview with #1B5A31

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

Preview Lab → · Contrast checker → · Palette generator →