#1B9E4A#1B9E4A

#1B9E4A is a mid, vivid green. Relative luminance 0.252; OKLCH L 61.4% C 0.163 H 149.5°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E4A
RGB	rgb(27, 158, 74)
HSL	hsl(142, 71%, 36%)
HSV	hsv(142, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 53.2%, 38%)
CIE-LAB	lab(57.25, -52.22, 34.28)
CIE-LCH	lch(57.25, 62.46, 146.72°)
OKLab	oklab(61.4% -0.1401 0.0827)
OKLCH	oklch(61.4% 0.163 149.5)
XYZ	xyz(13.9137, 25.1794, 10.6040)
Luminance	0.2518 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E4A #9E1B6F

analogous

#2D9E1B #1B9E4A #1B9E8C

triadic

#1B9E4A #4A1B9E #9E4A1B

tetradic

#1B9E4A #1B2D9E #9E1B6F #9E8C1B

square

#1B9E4A #1B2D9E #9E1B6F #9E8C1B

split-complementary

#1B9E4A #8C1B9E #9E1B2D

monochromatic

#093519 #126A32 #1B9E4A #24D262 #52E185

Accessibility & contrast

On white

3.48

#1B9E4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#1B9E4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E4A

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E4A	#FFFFFF	#000000	##000000
##1B9E4A	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F9043

Deuteranopia (green-blind)

#918550

Tritanopia (blue-blind)

#009B8B

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9e4a;
/* rgb */ color: rgb(27, 158, 74);
/* oklch */ color: oklch(61.4% 0.163 149.5);

Tailwind

colors: {
  custom: {
    50: '#70bc7e',
    500: '#1b9e4a',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e4a;
$custom-light: #70bc7e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e4a",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 74
  },
  "hsl": {
    "h": 141.527,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61401,
    "c": 0.16269,
    "h": 149.5
  },
  "luminance": 0.25181
}

Semantic roles & 50–950 ramp

primary

#1B9E4A

secondary

#C4519B

accent

#3AADEE

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #1B9E4A

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

Preview Lab → · Contrast checker → · Palette generator →