#1FB45B#1FB45B

#1FB45B is a light, vivid green. Relative luminance 0.337; OKLCH L 67.7% C 0.174 H 150.8°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#1FB45B
RGB	rgb(31, 180, 91)
HSL	hsl(144, 71%, 41%)
HSV	hsv(144, 83%, 71%)
CMYK	cmyk(82.8%, 0%, 49.4%, 29.4%)
CIE-LAB	lab(64.71, -56.72, 34.94)
CIE-LCH	lch(64.71, 66.61, 148.37°)
OKLab	oklab(67.68% -0.1522 0.085)
OKLCH	oklch(67.68% 0.174 150.8)
XYZ	xyz(18.7730, 33.6868, 15.4083)
Luminance	0.3369 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB45B #B41F78

analogous

#2EB41F #1FB45B #1FB4A6

triadic

#1FB45B #5B1FB4 #B45B1F

tetradic

#1FB45B #1F2EB4 #B41F78 #B4A61F

square

#1FB45B #1F2EB4 #B41F78 #B4A61F

split-complementary

#1FB45B #A61FB4 #B41F2E

monochromatic

#0D4C26 #168041 #1FB45B #34DC78 #68E59B

Accessibility & contrast

On white

2.71

#1FB45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#1FB45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB45B

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB45B	#FFFFFF	#000000	##000000
##1FB45B	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A454

Deuteranopia (green-blind)

#A59861

Tritanopia (blue-blind)

#00B19F

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #1fb45b;
/* rgb */ color: rgb(31, 180, 91);
/* oklch */ color: oklch(67.7% 0.174 150.8);

Tailwind

colors: {
  custom: {
    50: '#76cc8b',
    500: '#1fb45b',
    950: '#000000',
  },
}

SCSS

$custom: #1fb45b;
$custom-light: #76cc8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb45b",
  "rgb": {
    "r": 31,
    "g": 180,
    "b": 91
  },
  "hsl": {
    "h": 144.161,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67677,
    "c": 0.17432,
    "h": 150.8
  },
  "luminance": 0.33689
}

Semantic roles & 50–950 ramp

primary

#1FB45B

secondary

#CB64A1

accent

#3AA5ED

background

#F7FCF8

surface

#EEF9F0

border

#C9D2CB

text

#0A130C

muted

#7C827D

Preview Lab

Preview with #1FB45B

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

Preview Lab → · Contrast checker → · Palette generator →