#1FB41B#1FB41B

#1FB41B is a light, highly saturated green. Relative luminance 0.330; OKLCH L 67.0% C 0.217 H 142.5°. Best body text is #000000 at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#1FB41B
RGB	rgb(31, 180, 27)
HSL	hsl(118, 74%, 41%)
HSV	hsv(118, 85%, 71%)
CMYK	cmyk(82.8%, 0%, 85%, 29.4%)
CIE-LAB	lab(64.17, -63.39, 60.03)
CIE-LCH	lch(64.17, 87.30, 136.56°)
OKLab	oklab(67.05% -0.1722 0.1322)
OKLCH	oklch(67.05% 0.217 142.5)
XYZ	xyz(17.0831, 33.0108, 6.5081)
Luminance	0.3301 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB41B #B01BB4

analogous

#6CB41B #1FB41B #1BB463

triadic

#1FB41B #1B1FB4 #B41B1F

tetradic

#1FB41B #1B6CB4 #B01BB4 #B4631B

square

#1FB41B #1B6CB4 #B01BB4 #B4631B

split-complementary

#1FB41B #631BB4 #B41B6C

monochromatic

#0D4A0B #167F13 #1FB41B #31DF2D #65E762

Accessibility & contrast

On white

2.76

#1FB41B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.60

#1FB41B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB41B

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB41B	#FFFFFF	#000000	##000000
##1FB41B	1.00	2.76	7.60	7.60
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.60	21.00	1.00	1.00
##000000	7.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#A99730

Tritanopia (blue-blind)

#00AE99

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #1fb41b;
/* rgb */ color: rgb(31, 180, 27);
/* oklch */ color: oklch(67.0% 0.217 142.5);

Tailwind

colors: {
  custom: {
    50: '#79cc67',
    500: '#1fb41b',
    950: '#000000',
  },
}

SCSS

$custom: #1fb41b;
$custom-light: #79cc67;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb41b",
  "rgb": {
    "r": 31,
    "g": 180,
    "b": 27
  },
  "hsl": {
    "h": 118.431,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.6705,
    "c": 0.2171,
    "h": 142.5
  },
  "luminance": 0.33013
}

Semantic roles & 50–950 ramp

primary

#1FB41B

secondary

#C95FCC

accent

#37F1EC

background

#F8FCF6

surface

#EFF9EB

border

#CAD2C6

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #1FB41B

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

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