#1FA63B#1FA63B

#1FA63B is a light, vivid green. Relative luminance 0.279; OKLCH L 63.5% C 0.184 H 145.8°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#1FA63B
RGB	rgb(31, 166, 59)
HSL	hsl(132, 69%, 39%)
HSV	hsv(132, 81%, 65%)
CMYK	cmyk(81.3%, 0%, 64.5%, 34.9%)
CIE-LAB	lab(59.78, -56.49, 44.42)
CIE-LCH	lch(59.78, 71.86, 141.82°)
OKLab	oklab(63.46% -0.1521 0.1036)
OKLCH	oklch(63.46% 0.184 145.8)
XYZ	xyz(14.9896, 27.8777, 8.7278)
Luminance	0.2788 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA63B #A61F8A

analogous

#47A61F #1FA63B #1FA67E

triadic

#1FA63B #3B1FA6 #A63B1F

tetradic

#1FA63B #1F47A6 #A61F8A #A67E1F

square

#1FA63B #1F47A6 #A61F8A #A67E1F

split-complementary

#1FA63B #7E1FA6 #A61F47

monochromatic

#0C3F16 #157229 #1FA63B #2BD74F #5EE179

Accessibility & contrast

On white

3.19

#1FA63B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#1FA63B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA63B

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA63B	#FFFFFF	#000000	##000000
##1FA63B	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9962E

Deuteranopia (green-blind)

#9A8C44

Tritanopia (blue-blind)

#00A290

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #1fa63b;
/* rgb */ color: rgb(31, 166, 59);
/* oklch */ color: oklch(63.5% 0.184 145.8);

Tailwind

colors: {
  custom: {
    50: '#74c275',
    500: '#1fa63b',
    950: '#000000',
  },
}

SCSS

$custom: #1fa63b;
$custom-light: #74c275;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa63b",
  "rgb": {
    "r": 31,
    "g": 166,
    "b": 59
  },
  "hsl": {
    "h": 132.444,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.63462,
    "c": 0.18404,
    "h": 145.8
  },
  "luminance": 0.2788
}

Semantic roles & 50–950 ramp

primary

#1FA63B

secondary

#C55BAF

accent

#3CC7EB

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1209

muted

#7C817B

Preview Lab

Preview with #1FA63B

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

Preview Lab → · Contrast checker → · Palette generator →