#1FB13F#1FB13F

#1FB13F is a light, vivid green. Relative luminance 0.321; OKLCH L 66.5% C 0.194 H 145.8°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#1FB13F
RGB	rgb(31, 177, 63)
HSL	hsl(133, 70%, 41%)
HSV	hsv(133, 82%, 69%)
CMYK	cmyk(82.5%, 0%, 64.4%, 30.6%)
CIE-LAB	lab(63.42, -59.60, 46.72)
CIE-LCH	lch(63.42, 75.73, 141.91°)
OKLab	oklab(66.5% -0.1605 0.1089)
OKLCH	oklch(66.5% 0.194 145.8)
XYZ	xyz(17.1831, 32.0923, 9.9905)
Luminance	0.3209 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB13F #B11F91

analogous

#48B11F #1FB13F #1FB188

triadic

#1FB13F #3F1FB1 #B13F1F

tetradic

#1FB13F #1F48B1 #B11F91 #B1881F

square

#1FB13F #1F48B1 #B11F91 #B1881F

split-complementary

#1FB13F #881FB1 #B11F48

monochromatic

#0D491A #167D2C #1FB13F #32DB57 #66E482

Accessibility & contrast

On white

2.83

#1FB13F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#1FB13F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB13F

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB13F	#FFFFFF	#000000	##000000
##1FB13F	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A031

Deuteranopia (green-blind)

#A49549

Tritanopia (blue-blind)

#00AD99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #1fb13f;
/* rgb */ color: rgb(31, 177, 63);
/* oklch */ color: oklch(66.5% 0.194 145.8);

Tailwind

colors: {
  custom: {
    50: '#77ca79',
    500: '#1fb13f',
    950: '#000000',
  },
}

SCSS

$custom: #1fb13f;
$custom-light: #77ca79;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb13f",
  "rgb": {
    "r": 31,
    "g": 177,
    "b": 63
  },
  "hsl": {
    "h": 133.151,
    "s": 70.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.66499,
    "c": 0.1939,
    "h": 145.8
  },
  "luminance": 0.32094
}

Semantic roles & 50–950 ramp

primary

#1FB13F

secondary

#CA62B3

accent

#3BC6ED

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #1FB13F

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

Preview Lab → · Contrast checker → · Palette generator →