#1FA11A#1FA11A

#1FA11A is a mid, vivid green. Relative luminance 0.259; OKLCH L 61.8% C 0.198 H 142.4°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#1FA11A
RGB	rgb(31, 161, 26)
HSL	hsl(118, 72%, 37%)
HSV	hsv(118, 84%, 63%)
CMYK	cmyk(80.7%, 0%, 83.9%, 36.9%)
CIE-LAB	lab(57.90, -57.68, 54.59)
CIE-LCH	lch(57.90, 79.41, 136.58°)
OKLab	oklab(61.83% -0.1567 0.1207)
OKLCH	oklch(61.83% 0.198 142.4)
XYZ	xyz(13.4956, 25.8540, 5.2561)
Luminance	0.2586 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA11A #9C1AA1

analogous

#63A11A #1FA11A #1AA159

triadic

#1FA11A #1A1FA1 #A11A1F

tetradic

#1FA11A #1A63A1 #9C1AA1 #A1591A

square

#1FA11A #1A63A1 #9C1AA1 #A1591A

split-complementary

#1FA11A #591AA1 #A11A63

monochromatic

#0B3809 #156C11 #1FA11A #29D623 #58E352

Accessibility & contrast

On white

3.40

#1FA11A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#1FA11A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA11A

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA11A	#FFFFFF	#000000	##000000
##1FA11A	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#97872C

Tritanopia (blue-blind)

#009C89

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1fa11a;
/* rgb */ color: rgb(31, 161, 26);
/* oklch */ color: oklch(61.8% 0.198 142.4);

Tailwind

colors: {
  custom: {
    50: '#74be64',
    500: '#1fa11a',
    950: '#000000',
  },
}

SCSS

$custom: #1fa11a;
$custom-light: #74be64;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa11a",
  "rgb": {
    "r": 31,
    "g": 161,
    "b": 26
  },
  "hsl": {
    "h": 117.778,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.61826,
    "c": 0.19784,
    "h": 142.4
  },
  "luminance": 0.25856
}

Semantic roles & 50–950 ramp

primary

#1FA11A

secondary

#C151C6

accent

#39EFE8

background

#F7FBF6

surface

#EEF7EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #1FA11A

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

Preview Lab → · Contrast checker → · Palette generator →