#1BB11D#1BB11D

#1BB11D is a light, highly saturated green. Relative luminance 0.318; OKLCH L 66.2% C 0.214 H 142.8°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#1BB11D
RGB	rgb(27, 177, 29)
HSL	hsl(121, 74%, 40%)
HSV	hsv(121, 85%, 69%)
CMYK	cmyk(84.7%, 0%, 83.6%, 30.6%)
CIE-LAB	lab(63.15, -62.82, 58.58)
CIE-LCH	lch(63.15, 85.90, 137.00°)
OKLab	oklab(66.19% -0.1704 0.1295)
OKLCH	oklch(66.19% 0.214 142.8)
XYZ	xyz(16.3948, 31.7639, 6.4291)
Luminance	0.3177 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB11D #B11BAF

analogous

#64B11B #1BB11D #1BB168

triadic

#1BB11D #1D1BB1 #B11D1B

tetradic

#1BB11D #1B64B1 #B11BAF #B1681B

square

#1BB11D #1B64B1 #B11BAF #B1681B

split-complementary

#1BB11D #681BB1 #B11B64

monochromatic

#0B470C #137C14 #1BB11D #2BDF2D #60E762

Accessibility & contrast

On white

2.86

#1BB11D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#1BB11D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB11D

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB11D	#FFFFFF	#000000	##000000
##1BB11D	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B59F00

Deuteranopia (green-blind)

#A69531

Tritanopia (blue-blind)

#00AC97

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #1bb11d;
/* rgb */ color: rgb(27, 177, 29);
/* oklch */ color: oklch(66.2% 0.214 142.8);

Tailwind

colors: {
  custom: {
    50: '#77ca68',
    500: '#1bb11d',
    950: '#000000',
  },
}

SCSS

$custom: #1bb11d;
$custom-light: #77ca68;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb11d",
  "rgb": {
    "r": 27,
    "g": 177,
    "b": 29
  },
  "hsl": {
    "h": 120.8,
    "s": 73.529,
    "l": 40
  },
  "oklch": {
    "l": 0.66187,
    "c": 0.21404,
    "h": 142.8
  },
  "luminance": 0.31766
}

Semantic roles & 50–950 ramp

primary

#1BB11D

secondary

#CB5DCA

accent

#38EEF0

background

#F8FCF6

surface

#EFF9EB

border

#CAD2C6

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #1BB11D

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

Preview Lab → · Contrast checker → · Palette generator →