#1BB33D#1BB33D

#1BB33D is a light, vivid green. Relative luminance 0.328; OKLCH L 67.0% C 0.198 H 145.7°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#1BB33D
RGB	rgb(27, 179, 61)
HSL	hsl(133, 74%, 40%)
HSV	hsv(133, 85%, 70%)
CMYK	cmyk(84.9%, 0%, 65.9%, 29.8%)
CIE-LAB	lab(64.01, -60.87, 48.22)
CIE-LCH	lch(64.01, 77.66, 141.61°)
OKLab	oklab(66.97% -0.1639 0.1119)
OKLCH	oklch(66.97% 0.198 145.7)
XYZ	xyz(17.4131, 32.8079, 9.8288)
Luminance	0.3281 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB33D #B31B91

analogous

#45B31B #1BB33D #1BB389

triadic

#1BB33D #3D1BB3 #B33D1B

tetradic

#1BB33D #1B45B3 #B31B91 #B3891B

square

#1BB33D #1B45B3 #B31B91 #B3891B

split-complementary

#1BB33D #891BB3 #B31B45

monochromatic

#0B4919 #137E2B #1BB33D #2CDF54 #61E77F

Accessibility & contrast

On white

2.78

#1BB33D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.56

#1BB33D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB33D

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB33D	#FFFFFF	#000000	##000000
##1BB33D	1.00	2.78	7.56	7.56
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.56	21.00	1.00	1.00
##000000	7.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A22E

Deuteranopia (green-blind)

#A69748

Tritanopia (blue-blind)

#00AE9B

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #1bb33d;
/* rgb */ color: rgb(27, 179, 61);
/* oklch */ color: oklch(67.0% 0.198 145.7);

Tailwind

colors: {
  custom: {
    50: '#76cb78',
    500: '#1bb33d',
    950: '#000000',
  },
}

SCSS

$custom: #1bb33d;
$custom-light: #76cb78;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb33d",
  "rgb": {
    "r": 27,
    "g": 179,
    "b": 61
  },
  "hsl": {
    "h": 133.421,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.66967,
    "c": 0.19839,
    "h": 145.7
  },
  "luminance": 0.3281
}

Semantic roles & 50–950 ramp

primary

#1BB33D

secondary

#CC5EB3

accent

#37C7F0

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #1BB33D

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

Preview Lab → · Contrast checker → · Palette generator →