#1B5A2F#1B5A2F

#1B5A2F is a dark, moderate green. Relative luminance 0.078; OKLCH L 41.6% C 0.095 H 150.4°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#1B5A2F
RGB	rgb(27, 90, 47)
HSL	hsl(139, 54%, 23%)
HSV	hsv(139, 70%, 35%)
CMYK	cmyk(70%, 0%, 47.8%, 64.7%)
CIE-LAB	lab(33.46, -30.69, 19.11)
CIE-LCH	lch(33.46, 36.15, 148.09°)
OKLab	oklab(41.59% -0.0828 0.047)
OKLCH	oklch(41.59% 0.095 150.4)
XYZ	xyz(4.6209, 7.7501, 3.9412)
Luminance	0.0775 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5A2F #5A1B46

analogous

#265A1B #1B5A2F #1B5A4E

triadic

#1B5A2F #2F1B5A #5A2F1B

tetradic

#1B5A2F #1B265A #5A1B46 #5A4E1B

square

#1B5A2F #1B265A #5A1B46 #5A4E1B

split-complementary

#1B5A2F #4E1B5A #5A1B26

monochromatic

#07180C #0D2B16 #1B5A2F #298948 #37B860

Accessibility & contrast

On white

8.23

#1B5A2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1B5A2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A2F

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5A2F	#FFFFFF	#000000	##FFFFFF
##1B5A2F	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B522C

Deuteranopia (green-blind)

#534C32

Tritanopia (blue-blind)

#035850

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1b5a2f;
/* rgb */ color: rgb(27, 90, 47);
/* oklch */ color: oklch(41.6% 0.095 150.4);

Tailwind

colors: {
  custom: {
    50: '#608968',
    500: '#1b5a2f',
    950: '#000000',
  },
}

SCSS

$custom: #1b5a2f;
$custom-light: #608968;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5a2f",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 47
  },
  "hsl": {
    "h": 139.048,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.41592,
    "c": 0.09522,
    "h": 150.4
  },
  "luminance": 0.07751
}

Semantic roles & 50–950 ramp

primary

#1B5A2F

secondary

#904177

accent

#4BAFDD

background

#F5F8F6

surface

#EAF0EB

border

#C6CBC6

text

#050B06

muted

#797C7A

Preview Lab

Preview with #1B5A2F

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

Preview Lab → · Contrast checker → · Palette generator →