#1B9E39#1B9E39

#1B9E39 is a mid, vivid green. Relative luminance 0.250; OKLCH L 61.2% C 0.177 H 146.1°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E39
RGB	rgb(27, 158, 57)
HSL	hsl(134, 71%, 36%)
HSV	hsv(134, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 63.9%, 38%)
CIE-LAB	lab(57.06, -54.56, 42.25)
CIE-LCH	lch(57.06, 69.00, 142.25°)
OKLab	oklab(61.18% -0.1468 0.0987)
OKLCH	oklch(61.18% 0.177 146.1)
XYZ	xyz(13.4164, 24.9805, 7.9847)
Luminance	0.2498 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E39 #9E1B80

analogous

#3F9E1B #1B9E39 #1B9E7B

triadic

#1B9E39 #391B9E #9E391B

tetradic

#1B9E39 #1B3F9E #9E1B80 #9E7B1B

square

#1B9E39 #1B3F9E #9E1B80 #9E7B1B

split-complementary

#1B9E39 #7B1B9E #9E1B3F

monochromatic

#093513 #126A26 #1B9E39 #24D24C #52E173

Accessibility & contrast

On white

3.50

#1B9E39 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#1B9E39 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E39

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E39	#FFFFFF	#000000	##000000
##1B9E39	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08F2D

Deuteranopia (green-blind)

#928542

Tritanopia (blue-blind)

#009A89

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9e39;
/* rgb */ color: rgb(27, 158, 57);
/* oklch */ color: oklch(61.2% 0.177 146.1);

Tailwind

colors: {
  custom: {
    50: '#71bc73',
    500: '#1b9e39',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e39;
$custom-light: #71bc73;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e39",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 57
  },
  "hsl": {
    "h": 133.74,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61178,
    "c": 0.17695,
    "h": 146.1
  },
  "luminance": 0.24982
}

Semantic roles & 50–950 ramp

primary

#1B9E39

secondary

#C451AA

accent

#3AC5EE

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091208

muted

#7B817B

Preview Lab

Preview with #1B9E39

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

Preview Lab → · Contrast checker → · Palette generator →