#1B9E50#1B9E50

#1B9E50 is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.5% C 0.157 H 151.0°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E50
RGB	rgb(27, 158, 80)
HSL	hsl(144, 71%, 36%)
HSV	hsv(144, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 49.4%, 38%)
CIE-LAB	lab(57.33, -51.24, 31.30)
CIE-LCH	lch(57.33, 60.04, 148.58°)
OKLab	oklab(61.5% -0.1375 0.0763)
OKLCH	oklch(61.5% 0.157 151)
XYZ	xyz(14.1256, 25.2642, 11.7199)
Luminance	0.2527 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E50 #9E1B69

analogous

#279E1B #1B9E50 #1B9E92

triadic

#1B9E50 #501B9E #9E501B

tetradic

#1B9E50 #1B279E #9E1B69 #9E921B

square

#1B9E50 #1B279E #9E1B69 #9E921B

split-complementary

#1B9E50 #921B9E #9E1B27

monochromatic

#09351B #126A36 #1B9E50 #24D26A #52E18C

Accessibility & contrast

On white

3.47

#1B9E50 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#1B9E50 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E50

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E50	#FFFFFF	#000000	##000000
##1B9E50	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F904A

Deuteranopia (green-blind)

#908656

Tritanopia (blue-blind)

#009B8C

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9e50;
/* rgb */ color: rgb(27, 158, 80);
/* oklch */ color: oklch(61.5% 0.157 151.0);

Tailwind

colors: {
  custom: {
    50: '#70bc82',
    500: '#1b9e50',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e50;
$custom-light: #70bc82;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e50",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 80
  },
  "hsl": {
    "h": 144.275,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61496,
    "c": 0.15724,
    "h": 151
  },
  "luminance": 0.25266
}

Semantic roles & 50–950 ramp

primary

#1B9E50

secondary

#C45195

accent

#3AA5EE

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#09120A

muted

#7B817C

Preview Lab

Preview with #1B9E50

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

Preview Lab → · Contrast checker → · Palette generator →