#1FB31E#1FB31E

#1FB31E is a light, highly saturated green. Relative luminance 0.326; OKLCH L 66.8% C 0.215 H 142.6°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#1FB31E
RGB	rgb(31, 179, 30)
HSL	hsl(120, 71%, 41%)
HSV	hsv(120, 83%, 70%)
CMYK	cmyk(82.7%, 0%, 83.2%, 29.8%)
CIE-LAB	lab(63.85, -62.94, 58.98)
CIE-LCH	lch(63.85, 86.26, 136.86°)
OKLab	oklab(66.79% -0.1709 0.1304)
OKLCH	oklch(66.79% 0.215 142.6)
XYZ	xyz(16.9184, 32.6232, 6.6333)
Luminance	0.3262 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB31E #B21EB3

analogous

#69B31E #1FB31E #1EB367

triadic

#1FB31E #1E1FB3 #B31E1F

tetradic

#1FB31E #1E69B3 #B21EB3 #B3671E

square

#1FB31E #1E69B3 #B21EB3 #B3671E

split-complementary

#1FB31E #671EB3 #B31E69

monochromatic

#0D4A0C #167F15 #1FB31E #33DD32 #67E566

Accessibility & contrast

On white

2.79

#1FB31E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.53

#1FB31E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB31E

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB31E	#FFFFFF	#000000	##000000
##1FB31E	1.00	2.79	7.53	7.53
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.53	21.00	1.00	1.00
##000000	7.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#A89732

Tritanopia (blue-blind)

#00AD98

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #1fb31e;
/* rgb */ color: rgb(31, 179, 30);
/* oklch */ color: oklch(66.8% 0.215 142.6);

Tailwind

colors: {
  custom: {
    50: '#79cb68',
    500: '#1fb31e',
    950: '#000000',
  },
}

SCSS

$custom: #1fb31e;
$custom-light: #79cb68;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb31e",
  "rgb": {
    "r": 31,
    "g": 179,
    "b": 30
  },
  "hsl": {
    "h": 119.597,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66792,
    "c": 0.21496,
    "h": 142.6
  },
  "luminance": 0.32625
}

Semantic roles & 50–950 ramp

primary

#1FB31E

secondary

#CA62CB

accent

#3AEEED

background

#F8FCF6

surface

#EFF9EB

border

#CAD2C6

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #1FB31E

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

Preview Lab → · Contrast checker → · Palette generator →