#1FA11F#1FA11F

#1FA11F is a mid, vivid green. Relative luminance 0.259; OKLCH L 61.9% C 0.196 H 142.8°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#1FA11F
RGB	rgb(31, 161, 31)
HSL	hsl(120, 68%, 38%)
HSV	hsv(120, 81%, 63%)
CMYK	cmyk(80.7%, 0%, 80.7%, 36.9%)
CIE-LAB	lab(57.92, -57.39, 53.18)
CIE-LCH	lch(57.92, 78.24, 137.18°)
OKLab	oklab(61.85% -0.1558 0.1184)
OKLCH	oklch(61.85% 0.196 142.8)
XYZ	xyz(13.5564, 25.8783, 5.5766)
Luminance	0.2588 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA11F #A11FA1

analogous

#60A11F #1FA11F #1FA160

triadic

#1FA11F #1F1FA1 #A11F1F

tetradic

#1FA11F #1F60A1 #A11FA1 #A1601F

square

#1FA11F #1F60A1 #A11FA1 #A1601F

split-complementary

#1FA11F #601FA1 #A11F60

monochromatic

#0B3A0B #156E15 #1FA11F #29D429 #5BDF5B

Accessibility & contrast

On white

3.40

#1FA11F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#1FA11F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA11F

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA11F	#FFFFFF	#000000	##000000
##1FA11F	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#97872F

Tritanopia (blue-blind)

#009C89

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1fa11f;
/* rgb */ color: rgb(31, 161, 31);
/* oklch */ color: oklch(61.9% 0.196 142.8);

Tailwind

colors: {
  custom: {
    50: '#74be66',
    500: '#1fa11f',
    950: '#000000',
  },
}

SCSS

$custom: #1fa11f;
$custom-light: #74be66;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa11f",
  "rgb": {
    "r": 31,
    "g": 161,
    "b": 31
  },
  "hsl": {
    "h": 120,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.61853,
    "c": 0.19568,
    "h": 142.8
  },
  "luminance": 0.2588
}

Semantic roles & 50–950 ramp

primary

#1FA11F

secondary

#C458C4

accent

#3DEBEB

background

#F7FBF6

surface

#EEF7EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #1FA11F

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

Preview Lab → · Contrast checker → · Palette generator →