#1FB333#1FB333

#1FB333 is a light, highly saturated green. Relative luminance 0.328; OKLCH L 66.9% C 0.204 H 144.3°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#1FB333
RGB	rgb(31, 179, 51)
HSL	hsl(128, 70%, 41%)
HSV	hsv(128, 83%, 70%)
CMYK	cmyk(82.7%, 0%, 71.5%, 29.8%)
CIE-LAB	lab(63.97, -61.45, 52.26)
CIE-LCH	lch(63.97, 80.67, 139.62°)
OKLab	oklab(66.93% -0.166 0.1192)
OKLCH	oklch(66.93% 0.204 144.3)
XYZ	xyz(17.2815, 32.7684, 8.5455)
Luminance	0.3277 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB333 #B31F9F

analogous

#55B31F #1FB333 #1FB37D

triadic

#1FB333 #331FB3 #B3331F

tetradic

#1FB333 #1F55B3 #B31F9F #B37D1F

square

#1FB333 #1F55B3 #B31F9F #B37D1F

split-complementary

#1FB333 #7D1FB3 #B31F55

monochromatic

#0D4B15 #167F24 #1FB333 #33DC4A #68E579

Accessibility & contrast

On white

2.78

#1FB333 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#1FB333 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB333

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB333	#FFFFFF	#000000	##000000
##1FB333	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A21E

Deuteranopia (green-blind)

#A79740

Tritanopia (blue-blind)

#00AE9A

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #1fb333;
/* rgb */ color: rgb(31, 179, 51);
/* oklch */ color: oklch(66.9% 0.204 144.3);

Tailwind

colors: {
  custom: {
    50: '#78cb72',
    500: '#1fb333',
    950: '#000000',
  },
}

SCSS

$custom: #1fb333;
$custom-light: #78cb72;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb333",
  "rgb": {
    "r": 31,
    "g": 179,
    "b": 51
  },
  "hsl": {
    "h": 128.108,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.66928,
    "c": 0.20432,
    "h": 144.3
  },
  "luminance": 0.32771
}

Semantic roles & 50–950 ramp

primary

#1FB333

secondary

#CA64BC

accent

#3BD5ED

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #1FB333

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

Preview Lab → · Contrast checker → · Palette generator →