#1FAC31#1FAC31

#1FAC31 is a light, vivid green. Relative luminance 0.300; OKLCH L 65.0% C 0.198 H 144.3°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#1FAC31
RGB	rgb(31, 172, 49)
HSL	hsl(128, 69%, 40%)
HSV	hsv(128, 82%, 67%)
CMYK	cmyk(82%, 0%, 71.5%, 32.5%)
CIE-LAB	lab(61.67, -59.44, 50.63)
CIE-LCH	lch(61.67, 78.08, 139.58°)
OKLab	oklab(65.01% -0.1606 0.1155)
OKLCH	oklch(65.01% 0.198 144.3)
XYZ	xyz(15.8709, 30.0162, 7.8624)
Luminance	0.3002 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FAC31 #AC1F9A

analogous

#53AC1F #1FAC31 #1FAC78

triadic

#1FAC31 #311FAC #AC311F

tetradic

#1FAC31 #1F53AC #AC1F9A #AC781F

square

#1FAC31 #1F53AC #AC1F9A #AC781F

split-complementary

#1FAC31 #781FAC #AC1F53

monochromatic

#0C4413 #167822 #1FAC31 #2FD945 #63E373

Accessibility & contrast

On white

3.00

#1FAC31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.00

#1FAC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FAC31

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FAC31	#FFFFFF	#000000	##000000
##1FAC31	1.00	3.00	7.00	7.00
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.00	21.00	1.00	1.00
##000000	7.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9B1D

Deuteranopia (green-blind)

#A0913D

Tritanopia (blue-blind)

#00A794

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #1fac31;
/* rgb */ color: rgb(31, 172, 49);
/* oklch */ color: oklch(65.0% 0.198 144.3);

Tailwind

colors: {
  custom: {
    50: '#76c670',
    500: '#1fac31',
    950: '#000000',
  },
}

SCSS

$custom: #1fac31;
$custom-light: #76c670;
$custom-dark: #000000;

JSON

{
  "hex": "#1fac31",
  "rgb": {
    "r": 31,
    "g": 172,
    "b": 49
  },
  "hsl": {
    "h": 127.66,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.65006,
    "c": 0.19782,
    "h": 144.3
  },
  "luminance": 0.30018
}

Semantic roles & 50–950 ramp

primary

#1FAC31

secondary

#C85FBA

accent

#3CD6EC

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1308

muted

#7C827B

Preview Lab

Preview with #1FAC31

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

Preview Lab → · Contrast checker → · Palette generator →