#1BB440#1BB440

#1BB440 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.3% C 0.197 H 146.0°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#1BB440
RGB	rgb(27, 180, 64)
HSL	hsl(135, 74%, 41%)
HSV	hsv(135, 85%, 71%)
CMYK	cmyk(85%, 0%, 64.4%, 29.4%)
CIE-LAB	lab(64.36, -60.86, 47.32)
CIE-LCH	lch(64.36, 77.09, 142.13°)
OKLab	oklab(67.27% -0.1637 0.1102)
OKLCH	oklch(67.27% 0.197 146)
XYZ	xyz(17.6973, 33.2435, 10.3334)
Luminance	0.3325 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB440 #B41B8F

analogous

#42B41B #1BB440 #1BB48C

triadic

#1BB440 #401BB4 #B4401B

tetradic

#1BB440 #1B42B4 #B41B8F #B48C1B

square

#1BB440 #1B42B4 #B41B8F #B48C1B

split-complementary

#1BB440 #8C1BB4 #B41B42

monochromatic

#0B4A1A #137F2D #1BB440 #2DDF58 #62E782

Accessibility & contrast

On white

2.75

#1BB440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#1BB440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB440

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB440	#FFFFFF	#000000	##000000
##1BB440	1.00	2.75	7.65	7.65
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A332

Deuteranopia (green-blind)

#A7984A

Tritanopia (blue-blind)

#00B09C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #1bb440;
/* rgb */ color: rgb(27, 180, 64);
/* oklch */ color: oklch(67.3% 0.197 146.0);

Tailwind

colors: {
  custom: {
    50: '#77cc79',
    500: '#1bb440',
    950: '#000000',
  },
}

SCSS

$custom: #1bb440;
$custom-light: #77cc79;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb440",
  "rgb": {
    "r": 27,
    "g": 180,
    "b": 64
  },
  "hsl": {
    "h": 134.51,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.67268,
    "c": 0.19737,
    "h": 146
  },
  "luminance": 0.33246
}

Semantic roles & 50–950 ramp

primary

#1BB440

secondary

#CC5FB2

accent

#37C4F1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #1BB440

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

Preview Lab → · Contrast checker → · Palette generator →