#1BB41F#1BB41F

#1BB41F is a light, highly saturated green. Relative luminance 0.330; OKLCH L 67.0% C 0.216 H 142.9°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#1BB41F
RGB	rgb(27, 180, 31)
HSL	hsl(122, 74%, 41%)
HSV	hsv(122, 85%, 71%)
CMYK	cmyk(85%, 0%, 82.8%, 29.4%)
CIE-LAB	lab(64.14, -63.60, 58.96)
CIE-LCH	lch(64.14, 86.73, 137.17°)
OKLab	oklab(67.02% -0.1725 0.1306)
OKLCH	oklch(67.02% 0.216 142.9)
XYZ	xyz(17.0195, 32.9723, 6.7634)
Luminance	0.3297 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB41F #B41BB0

analogous

#63B41B #1BB41F #1BB46C

triadic

#1BB41F #1F1BB4 #B41F1B

tetradic

#1BB41F #1B63B4 #B41BB0 #B46C1B

square

#1BB41F #1B63B4 #B41BB0 #B46C1B

split-complementary

#1BB41F #6C1BB4 #B41B63

monochromatic

#0B4A0D #137F16 #1BB41F #2DDF31 #62E765

Accessibility & contrast

On white

2.77

#1BB41F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#1BB41F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB41F

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB41F	#FFFFFF	#000000	##000000
##1BB41F	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#A89733

Tritanopia (blue-blind)

#00AF99

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #1bb41f;
/* rgb */ color: rgb(27, 180, 31);
/* oklch */ color: oklch(67.0% 0.216 142.9);

Tailwind

colors: {
  custom: {
    50: '#78cc69',
    500: '#1bb41f',
    950: '#000000',
  },
}

SCSS

$custom: #1bb41f;
$custom-light: #78cc69;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb41f",
  "rgb": {
    "r": 27,
    "g": 180,
    "b": 31
  },
  "hsl": {
    "h": 121.569,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.67016,
    "c": 0.21632,
    "h": 142.9
  },
  "luminance": 0.32974
}

Semantic roles & 50–950 ramp

primary

#1BB41F

secondary

#CC5FC9

accent

#37ECF1

background

#F8FCF6

surface

#EFF9EC

border

#CAD2C7

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #1BB41F

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

Preview Lab → · Contrast checker → · Palette generator →