#1B9E4D#1B9E4D

#1B9E4D is a mid, vivid green. Relative luminance 0.252; OKLCH L 61.4% C 0.160 H 150.2°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E4D
RGB	rgb(27, 158, 77)
HSL	hsl(143, 71%, 36%)
HSV	hsv(143, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 51.3%, 38%)
CIE-LAB	lab(57.29, -51.74, 32.79)
CIE-LCH	lch(57.29, 61.26, 147.63°)
OKLab	oklab(61.45% -0.1388 0.0795)
OKLCH	oklch(61.45% 0.16 150.2)
XYZ	xyz(14.0172, 25.2208, 11.1491)
Luminance	0.2522 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E4D #9E1B6C

analogous

#2A9E1B #1B9E4D #1B9E8F

triadic

#1B9E4D #4D1B9E #9E4D1B

tetradic

#1B9E4D #1B2A9E #9E1B6C #9E8F1B

square

#1B9E4D #1B2A9E #9E1B6C #9E8F1B

split-complementary

#1B9E4D #8F1B9E #9E1B2A

monochromatic

#09351A #126A34 #1B9E4D #24D266 #52E189

Accessibility & contrast

On white

3.47

#1B9E4D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#1B9E4D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E4D

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E4D	#FFFFFF	#000000	##000000
##1B9E4D	1.00	3.47	6.04	6.04
#FFFFFF	3.47	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)

#9F9046

Deuteranopia (green-blind)

#918653

Tritanopia (blue-blind)

#009B8B

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b9e4d;
/* rgb */ color: rgb(27, 158, 77);
/* oklch */ color: oklch(61.4% 0.160 150.2);

Tailwind

colors: {
  custom: {
    50: '#70bc80',
    500: '#1b9e4d',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e4d;
$custom-light: #70bc80;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e4d",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 77
  },
  "hsl": {
    "h": 142.901,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61448,
    "c": 0.15999,
    "h": 150.2
  },
  "luminance": 0.25223
}

Semantic roles & 50–950 ramp

primary

#1B9E4D

secondary

#C45198

accent

#3AA9EE

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#09120A

muted

#7B817C

Preview Lab

Preview with #1B9E4D

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

Preview Lab → · Contrast checker → · Palette generator →