#1FB143#1FB143

#1FB143 is a light, vivid green. Relative luminance 0.321; OKLCH L 66.5% C 0.191 H 146.4°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#1FB143
RGB	rgb(31, 177, 67)
HSL	hsl(135, 70%, 41%)
HSV	hsv(135, 82%, 69%)
CMYK	cmyk(82.5%, 0%, 62.1%, 30.6%)
CIE-LAB	lab(63.46, -59.13, 44.99)
CIE-LCH	lch(63.46, 74.30, 142.74°)
OKLab	oklab(66.54% -0.159 0.1055)
OKLCH	oklch(66.54% 0.191 146.4)
XYZ	xyz(17.2990, 32.1387, 10.6008)
Luminance	0.3214 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB143 #B11F8D

analogous

#44B11F #1FB143 #1FB18C

triadic

#1FB143 #431FB1 #B1431F

tetradic

#1FB143 #1F44B1 #B11F8D #B18C1F

square

#1FB143 #1F44B1 #B11F8D #B18C1F

split-complementary

#1FB143 #8C1FB1 #B11F44

monochromatic

#0D491C #167D2F #1FB143 #32DB5C #66E485

Accessibility & contrast

On white

2.83

#1FB143 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#1FB143 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB143

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB143	#FFFFFF	#000000	##000000
##1FB143	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A037

Deuteranopia (green-blind)

#A4954C

Tritanopia (blue-blind)

#00AD9A

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #1fb143;
/* rgb */ color: rgb(31, 177, 67);
/* oklch */ color: oklch(66.5% 0.191 146.4);

Tailwind

colors: {
  custom: {
    50: '#77ca7b',
    500: '#1fb143',
    950: '#000000',
  },
}

SCSS

$custom: #1fb143;
$custom-light: #77ca7b;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb143",
  "rgb": {
    "r": 31,
    "g": 177,
    "b": 67
  },
  "hsl": {
    "h": 134.795,
    "s": 70.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.66543,
    "c": 0.19088,
    "h": 146.4
  },
  "luminance": 0.32141
}

Semantic roles & 50–950 ramp

primary

#1FB143

secondary

#CA62B0

accent

#3BC1ED

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0A130A

muted

#7C827C

Preview Lab

Preview with #1FB143

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

Preview Lab → · Contrast checker → · Palette generator →