#1BB421#1BB421

#1BB421 is a light, highly saturated green. Relative luminance 0.330; OKLCH L 67.0% C 0.215 H 143.0°. Best body text is #000000 at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#1BB421
RGB	rgb(27, 180, 33)
HSL	hsl(122, 74%, 41%)
HSV	hsv(122, 85%, 71%)
CMYK	cmyk(85%, 0%, 81.7%, 29.4%)
CIE-LAB	lab(64.15, -63.49, 58.42)
CIE-LCH	lch(64.15, 86.28, 137.38°)
OKLab	oklab(67.03% -0.1721 0.1297)
OKLCH	oklch(67.03% 0.216 143)
XYZ	xyz(17.0466, 32.9832, 6.9065)
Luminance	0.3298 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB421 #B41BAE

analogous

#61B41B #1BB421 #1BB46D

triadic

#1BB421 #211BB4 #B4211B

tetradic

#1BB421 #1B61B4 #B41BAE #B46D1B

square

#1BB421 #1B61B4 #B41BAE #B46D1B

split-complementary

#1BB421 #6D1BB4 #B41B61

monochromatic

#0B4A0D #137F17 #1BB421 #2DDF34 #62E767

Accessibility & contrast

On white

2.76

#1BB421 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.60

#1BB421 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB421

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB421	#FFFFFF	#000000	##000000
##1BB421	1.00	2.76	7.60	7.60
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.60	21.00	1.00	1.00
##000000	7.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#A89734

Tritanopia (blue-blind)

#00AF99

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #1bb421;
/* rgb */ color: rgb(27, 180, 33);
/* oklch */ color: oklch(67.0% 0.215 143.0);

Tailwind

colors: {
  custom: {
    50: '#78cc6a',
    500: '#1bb421',
    950: '#000000',
  },
}

SCSS

$custom: #1bb421;
$custom-light: #78cc6a;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb421",
  "rgb": {
    "r": 27,
    "g": 180,
    "b": 33
  },
  "hsl": {
    "h": 122.353,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.67026,
    "c": 0.2155,
    "h": 143
  },
  "luminance": 0.32985
}

Semantic roles & 50–950 ramp

primary

#1BB421

secondary

#CC5FC8

accent

#37E9F1

background

#F8FCF6

surface

#EFF9EC

border

#CAD2C7

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #1BB421

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

Preview Lab → · Contrast checker → · Palette generator →