#1FB42F#1FB42F

#1FB42F is a light, highly saturated green. Relative luminance 0.331; OKLCH L 67.2% C 0.208 H 143.9°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#1FB42F
RGB	rgb(31, 180, 47)
HSL	hsl(126, 71%, 41%)
HSV	hsv(126, 83%, 71%)
CMYK	cmyk(82.8%, 0%, 73.9%, 29.4%)
CIE-LAB	lab(64.27, -62.10, 54.05)
CIE-LCH	lch(64.27, 82.33, 138.97°)
OKLab	oklab(67.17% -0.1679 0.1224)
OKLCH	oklch(67.17% 0.208 143.9)
XYZ	xyz(17.3982, 33.1369, 8.1679)
Luminance	0.3314 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB42F #B41FA4

analogous

#5AB41F #1FB42F #1FB47A

triadic

#1FB42F #2F1FB4 #B42F1F

tetradic

#1FB42F #1F5AB4 #B41FA4 #B47A1F

square

#1FB42F #1F5AB4 #B41FA4 #B47A1F

split-complementary

#1FB42F #7A1FB4 #B41F5A

monochromatic

#0D4C14 #168021 #1FB42F #34DC46 #68E576

Accessibility & contrast

On white

2.75

#1FB42F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#1FB42F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB42F

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB42F	#FFFFFF	#000000	##000000
##1FB42F	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A216

Deuteranopia (green-blind)

#A8983D

Tritanopia (blue-blind)

#00AF9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #1fb42f;
/* rgb */ color: rgb(31, 180, 47);
/* oklch */ color: oklch(67.2% 0.208 143.9);

Tailwind

colors: {
  custom: {
    50: '#78cc70',
    500: '#1fb42f',
    950: '#000000',
  },
}

SCSS

$custom: #1fb42f;
$custom-light: #78cc70;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb42f",
  "rgb": {
    "r": 31,
    "g": 180,
    "b": 47
  },
  "hsl": {
    "h": 126.443,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67168,
    "c": 0.20779,
    "h": 143.9
  },
  "luminance": 0.33139
}

Semantic roles & 50–950 ramp

primary

#1FB42F

secondary

#CB64C0

accent

#3ADAED

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #1FB42F

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

Preview Lab → · Contrast checker → · Palette generator →