#1B9E4E#1B9E4E

#1B9E4E is a mid, vivid green. Relative luminance 0.252; OKLCH L 61.5% C 0.159 H 150.5°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E4E
RGB	rgb(27, 158, 78)
HSL	hsl(143, 71%, 36%)
HSV	hsv(143, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 50.6%, 38%)
CIE-LAB	lab(57.30, -51.57, 32.30)
CIE-LCH	lch(57.30, 60.85, 147.94°)
OKLab	oklab(61.46% -0.1384 0.0785)
OKLCH	oklch(61.46% 0.159 150.5)
XYZ	xyz(14.0528, 25.2350, 11.3365)
Luminance	0.2524 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E4E #9E1B6B

analogous

#299E1B #1B9E4E #1B9E90

triadic

#1B9E4E #4E1B9E #9E4E1B

tetradic

#1B9E4E #1B299E #9E1B6B #9E901B

square

#1B9E4E #1B299E #9E1B6B #9E901B

split-complementary

#1B9E4E #901B9E #9E1B29

monochromatic

#09351A #126A34 #1B9E4E #24D268 #52E18A

Accessibility & contrast

On white

3.47

#1B9E4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#1B9E4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E4E

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E4E	#FFFFFF	#000000	##000000
##1B9E4E	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)

#9F9047

Deuteranopia (green-blind)

#908654

Tritanopia (blue-blind)

#009B8B

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9e4e;
/* rgb */ color: rgb(27, 158, 78);
/* oklch */ color: oklch(61.5% 0.159 150.5);

Tailwind

colors: {
  custom: {
    50: '#70bc81',
    500: '#1b9e4e',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e4e;
$custom-light: #70bc81;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e4e",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 78
  },
  "hsl": {
    "h": 143.359,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61464,
    "c": 0.15908,
    "h": 150.5
  },
  "luminance": 0.25237
}

Semantic roles & 50–950 ramp

primary

#1B9E4E

secondary

#C45197

accent

#3AA8EE

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #1B9E4E

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

Preview Lab → · Contrast checker → · Palette generator →