#1B9F38#1B9F38

#1B9F38 is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.4% C 0.179 H 145.9°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#1B9F38
RGB	rgb(27, 159, 56)
HSL	hsl(133, 71%, 36%)
HSV	hsv(133, 83%, 62%)
CMYK	cmyk(83%, 0%, 64.8%, 37.6%)
CIE-LAB	lab(57.38, -55.01, 43.06)
CIE-LCH	lch(57.38, 69.86, 141.95°)
OKLab	oklab(61.44% -0.1481 0.1004)
OKLCH	oklch(61.44% 0.179 145.9)
XYZ	xyz(13.5629, 25.3131, 7.9117)
Luminance	0.2531 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9F38 #9F1B82

analogous

#409F1B #1B9F38 #1B9F7A

triadic

#1B9F38 #381B9F #9F381B

tetradic

#1B9F38 #1B409F #9F1B82 #9F7A1B

square

#1B9F38 #1B409F #9F1B82 #9F7A1B

split-complementary

#1B9F38 #7A1B9F #9F1B40

monochromatic

#093613 #126B26 #1B9F38 #24D34A #53E272

Accessibility & contrast

On white

3.46

#1B9F38 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#1B9F38 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F38

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9F38	#FFFFFF	#000000	##000000
##1B9F38	1.00	3.46	6.06	6.06
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1902C

Deuteranopia (green-blind)

#938641

Tritanopia (blue-blind)

#009B89

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9f38;
/* rgb */ color: rgb(27, 159, 56);
/* oklch */ color: oklch(61.4% 0.179 145.9);

Tailwind

colors: {
  custom: {
    50: '#71bd73',
    500: '#1b9f38',
    950: '#000000',
  },
}

SCSS

$custom: #1b9f38;
$custom-light: #71bd73;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9f38",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 56
  },
  "hsl": {
    "h": 133.182,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61443,
    "c": 0.1789,
    "h": 145.9
  },
  "luminance": 0.25315
}

Semantic roles & 50–950 ramp

primary

#1B9F38

secondary

#C551AB

accent

#3AC6EE

background

#F7FBF7

surface

#EEF7ED

border

#C9D0C8

text

#091208

muted

#7B817B

Preview Lab

Preview with #1B9F38

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

Preview Lab → · Contrast checker → · Palette generator →