#1BB433#1BB433

#1BB433 is a light, highly saturated green. Relative luminance 0.331; OKLCH L 67.1% C 0.206 H 144.5°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#1BB433
RGB	rgb(27, 180, 51)
HSL	hsl(129, 74%, 41%)
HSV	hsv(129, 85%, 71%)
CMYK	cmyk(85%, 0%, 71.7%, 29.4%)
CIE-LAB	lab(64.25, -62.17, 52.53)
CIE-LCH	lch(64.25, 81.39, 139.81°)
OKLab	oklab(67.15% -0.1678 0.1198)
OKLCH	oklch(67.15% 0.206 144.5)
XYZ	xyz(17.3696, 33.1124, 8.6072)
Luminance	0.3311 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB433 #B41B9C

analogous

#4FB41B #1BB433 #1BB47F

triadic

#1BB433 #331BB4 #B4331B

tetradic

#1BB433 #1B4FB4 #B41B9C #B47F1B

square

#1BB433 #1B4FB4 #B41B9C #B47F1B

split-complementary

#1BB433 #7F1BB4 #B41B4F

monochromatic

#0B4A15 #137F24 #1BB433 #2DDF49 #62E777

Accessibility & contrast

On white

2.75

#1BB433 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.62

#1BB433 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB433

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB433	#FFFFFF	#000000	##000000
##1BB433	1.00	2.75	7.62	7.62
#FFFFFF	2.75	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)

#B7A21E

Deuteranopia (green-blind)

#A89740

Tritanopia (blue-blind)

#00AF9B

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #1bb433;
/* rgb */ color: rgb(27, 180, 51);
/* oklch */ color: oklch(67.1% 0.206 144.5);

Tailwind

colors: {
  custom: {
    50: '#77cc72',
    500: '#1bb433',
    950: '#000000',
  },
}

SCSS

$custom: #1bb433;
$custom-light: #77cc72;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb433",
  "rgb": {
    "r": 27,
    "g": 180,
    "b": 51
  },
  "hsl": {
    "h": 129.412,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.67146,
    "c": 0.20615,
    "h": 144.5
  },
  "luminance": 0.33115
}

Semantic roles & 50–950 ramp

primary

#1BB433

secondary

#CC5FBB

accent

#37D3F1

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #1BB433

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

Preview Lab → · Contrast checker → · Palette generator →