#1B5931#1B5931

#1B5931 is a dark, moderate green. Relative luminance 0.076; OKLCH L 41.3% C 0.092 H 151.7°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#1B5931
RGB	rgb(27, 89, 49)
HSL	hsl(141, 53%, 23%)
HSV	hsv(141, 70%, 35%)
CMYK	cmyk(69.7%, 0%, 44.9%, 65.1%)
CIE-LAB	lab(33.13, -29.86, 17.51)
CIE-LCH	lch(33.13, 34.61, 149.61°)
OKLab	oklab(41.34% -0.0806 0.0434)
OKLCH	oklch(41.34% 0.092 151.7)
XYZ	xyz(4.5784, 7.5990, 4.1306)
Luminance	0.0760 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5931 #591B43

analogous

#24591B #1B5931 #1B5950

triadic

#1B5931 #311B59 #59311B

tetradic

#1B5931 #1B2459 #591B43 #59501B

square

#1B5931 #1B2459 #591B43 #59501B

split-complementary

#1B5931 #501B59 #591B24

monochromatic

#07170D #0D2A17 #1B5931 #29884B #37B765

Accessibility & contrast

On white

8.33

#1B5931 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1B5931 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5931

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5931	#FFFFFF	#000000	##FFFFFF
##1B5931	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512E

Deuteranopia (green-blind)

#514C34

Tritanopia (blue-blind)

#02584F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5931;
/* rgb */ color: rgb(27, 89, 49);
/* oklch */ color: oklch(41.3% 0.092 151.7);

Tailwind

colors: {
  custom: {
    50: '#608869',
    500: '#1b5931',
    950: '#000000',
  },
}

SCSS

$custom: #1b5931;
$custom-light: #608869;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5931",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 49
  },
  "hsl": {
    "h": 141.29,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.41338,
    "c": 0.09155,
    "h": 151.7
  },
  "luminance": 0.076
}

Semantic roles & 50–950 ramp

primary

#1B5931

secondary

#8F4173

accent

#4BA9DD

background

#F5F8F6

surface

#EAF0EB

border

#C6CBC6

text

#050B06

muted

#797C7A

Preview Lab

Preview with #1B5931

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

Preview Lab → · Contrast checker → · Palette generator →