#1BB42F#1BB42F

#1BB42F is a light, highly saturated green. Relative luminance 0.331; OKLCH L 67.1% C 0.209 H 144.1°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#1BB42F
RGB	rgb(27, 180, 47)
HSL	hsl(128, 74%, 41%)
HSV	hsv(128, 85%, 71%)
CMYK	cmyk(85%, 0%, 73.9%, 29.4%)
CIE-LAB	lab(64.22, -62.52, 53.99)
CIE-LCH	lch(64.22, 82.60, 139.19°)
OKLab	oklab(67.12% -0.1689 0.1223)
OKLCH	oklch(67.12% 0.209 144.1)
XYZ	xyz(17.2851, 33.0786, 8.1626)
Luminance	0.3308 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB42F #B41BA0

analogous

#53B41B #1BB42F #1BB47B

triadic

#1BB42F #2F1BB4 #B42F1B

tetradic

#1BB42F #1B53B4 #B41BA0 #B47B1B

square

#1BB42F #1B53B4 #B41BA0 #B47B1B

split-complementary

#1BB42F #7B1BB4 #B41B53

monochromatic

#0B4A13 #137F21 #1BB42F #2DDF44 #62E773

Accessibility & contrast

On white

2.76

#1BB42F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.62

#1BB42F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB42F

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB42F	#FFFFFF	#000000	##000000
##1BB42F	1.00	2.76	7.62	7.62
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.62	21.00	1.00	1.00
##000000	7.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A216

Deuteranopia (green-blind)

#A8973D

Tritanopia (blue-blind)

#00AF9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #1bb42f;
/* rgb */ color: rgb(27, 180, 47);
/* oklch */ color: oklch(67.1% 0.209 144.1);

Tailwind

colors: {
  custom: {
    50: '#77cc70',
    500: '#1bb42f',
    950: '#000000',
  },
}

SCSS

$custom: #1bb42f;
$custom-light: #77cc70;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb42f",
  "rgb": {
    "r": 27,
    "g": 180,
    "b": 47
  },
  "hsl": {
    "h": 127.843,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.67115,
    "c": 0.20852,
    "h": 144.1
  },
  "luminance": 0.33081
}

Semantic roles & 50–950 ramp

primary

#1BB42F

secondary

#CC5FBE

accent

#37D8F1

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #1BB42F

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

Preview Lab → · Contrast checker → · Palette generator →