#1B9E43#1B9E43

#1B9E43 is a mid, vivid green. Relative luminance 0.251; OKLCH L 61.3% C 0.169 H 147.9°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E43
RGB	rgb(27, 158, 67)
HSL	hsl(138, 71%, 36%)
HSV	hsv(138, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 57.6%, 38%)
CIE-LAB	lab(57.16, -53.26, 37.66)
CIE-LCH	lch(57.16, 65.23, 144.74°)
OKLab	oklab(61.3% -0.143 0.0897)
OKLCH	oklch(61.3% 0.169 147.9)
XYZ	xyz(13.6909, 25.0903, 9.4304)
Luminance	0.2509 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E43 #9E1B76

analogous

#349E1B #1B9E43 #1B9E85

triadic

#1B9E43 #431B9E #9E431B

tetradic

#1B9E43 #1B349E #9E1B76 #9E851B

square

#1B9E43 #1B349E #9E1B76 #9E851B

split-complementary

#1B9E43 #851B9E #9E1B34

monochromatic

#093517 #126A2D #1B9E43 #24D259 #52E17E

Accessibility & contrast

On white

3.49

#1B9E43 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#1B9E43 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E43

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E43	#FFFFFF	#000000	##000000
##1B9E43	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08F3A

Deuteranopia (green-blind)

#92854A

Tritanopia (blue-blind)

#009B8A

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9e43;
/* rgb */ color: rgb(27, 158, 67);
/* oklch */ color: oklch(61.3% 0.169 147.9);

Tailwind

colors: {
  custom: {
    50: '#71bc7a',
    500: '#1b9e43',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e43;
$custom-light: #71bc7a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e43",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 67
  },
  "hsl": {
    "h": 138.321,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61302,
    "c": 0.16881,
    "h": 147.9
  },
  "luminance": 0.25092
}

Semantic roles & 50–950 ramp

primary

#1B9E43

secondary

#C451A1

accent

#3AB7EE

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#091209

muted

#7B817B

Preview Lab

Preview with #1B9E43

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

Preview Lab → · Contrast checker → · Palette generator →