#1B9F48#1B9F48

#1B9F48 is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.6% C 0.166 H 148.9°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#1B9F48
RGB	rgb(27, 159, 72)
HSL	hsl(140, 71%, 36%)
HSV	hsv(140, 83%, 62%)
CMYK	cmyk(83%, 0%, 54.7%, 37.6%)
CIE-LAB	lab(57.55, -52.87, 35.66)
CIE-LCH	lch(57.55, 63.77, 146.01°)
OKLab	oklab(61.65% -0.1419 0.0856)
OKLCH	oklch(61.65% 0.166 148.9)
XYZ	xyz(14.0187, 25.4954, 10.3119)
Luminance	0.2550 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9F48 #9F1B72

analogous

#309F1B #1B9F48 #1B9F8A

triadic

#1B9F48 #481B9F #9F481B

tetradic

#1B9F48 #1B309F #9F1B72 #9F8A1B

square

#1B9F48 #1B309F #9F1B72 #9F8A1B

split-complementary

#1B9F48 #8A1B9F #9F1B30

monochromatic

#093619 #126B30 #1B9F48 #24D360 #53E283

Accessibility & contrast

On white

3.44

#1B9F48 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#1B9F48 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F48

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9F48	#FFFFFF	#000000	##000000
##1B9F48	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A09040

Deuteranopia (green-blind)

#92864F

Tritanopia (blue-blind)

#009C8B

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9f48;
/* rgb */ color: rgb(27, 159, 72);
/* oklch */ color: oklch(61.6% 0.166 148.9);

Tailwind

colors: {
  custom: {
    50: '#71bd7d',
    500: '#1b9f48',
    950: '#000000',
  },
}

SCSS

$custom: #1b9f48;
$custom-light: #71bd7d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9f48",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 72
  },
  "hsl": {
    "h": 140.455,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61646,
    "c": 0.16573,
    "h": 148.9
  },
  "luminance": 0.25497
}

Semantic roles & 50–950 ramp

primary

#1B9F48

secondary

#C5519D

accent

#3AB0EE

background

#F7FBF7

surface

#EDF7EE

border

#C8D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #1B9F48

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

Preview Lab → · Contrast checker → · Palette generator →