#1CB33F#1CB33F

#1CB33F is a light, vivid green. Relative luminance 0.328; OKLCH L 67.0% C 0.197 H 145.9°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#1CB33F
RGB	rgb(28, 179, 63)
HSL	hsl(134, 73%, 41%)
HSV	hsv(134, 84%, 70%)
CMYK	cmyk(84.4%, 0%, 64.8%, 29.8%)
CIE-LAB	lab(64.03, -60.55, 47.40)
CIE-LCH	lch(64.03, 76.90, 141.95°)
OKLab	oklab(67% -0.163 0.1103)
OKLCH	oklch(67% 0.197 145.9)
XYZ	xyz(17.4949, 32.8438, 10.1191)
Luminance	0.3285 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1CB33F #B31C90

analogous

#45B31C #1CB33F #1CB38A

triadic

#1CB33F #3F1CB3 #B33F1C

tetradic

#1CB33F #1C45B3 #B31C90 #B38A1C

square

#1CB33F #1C45B3 #B31C90 #B38A1C

split-complementary

#1CB33F #8A1CB3 #B31C45

monochromatic

#0B491A #147E2C #1CB33F #2EDE57 #63E781

Accessibility & contrast

On white

2.77

#1CB33F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.57

#1CB33F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1CB33F

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1CB33F	#FFFFFF	#000000	##000000
##1CB33F	1.00	2.77	7.57	7.57
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.57	21.00	1.00	1.00
##000000	7.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A231

Deuteranopia (green-blind)

#A69749

Tritanopia (blue-blind)

#00AF9B

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #1cb33f;
/* rgb */ color: rgb(28, 179, 63);
/* oklch */ color: oklch(67.0% 0.197 145.9);

Tailwind

colors: {
  custom: {
    50: '#77cb79',
    500: '#1cb33f',
    950: '#000000',
  },
}

SCSS

$custom: #1cb33f;
$custom-light: #77cb79;
$custom-dark: #000000;

JSON

{
  "hex": "#1cb33f",
  "rgb": {
    "r": 28,
    "g": 179,
    "b": 63
  },
  "hsl": {
    "h": 133.907,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.67,
    "c": 0.19677,
    "h": 145.9
  },
  "luminance": 0.32846
}

Semantic roles & 50–950 ramp

primary

#1CB33F

secondary

#CB5FB2

accent

#38C5F0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #1CB33F

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

Preview Lab → · Contrast checker → · Palette generator →