#1FB443#1FB443

#1FB443 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.4% C 0.194 H 146.3°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#1FB443
RGB	rgb(31, 180, 67)
HSL	hsl(134, 71%, 41%)
HSV	hsv(134, 83%, 71%)
CMYK	cmyk(82.8%, 0%, 62.8%, 29.4%)
CIE-LAB	lab(64.43, -60.10, 46.10)
CIE-LCH	lch(64.43, 75.74, 142.51°)
OKLab	oklab(67.35% -0.1617 0.1079)
OKLCH	oklch(67.35% 0.194 146.3)
XYZ	xyz(17.8981, 33.3368, 10.8005)
Luminance	0.3334 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB443 #B41F90

analogous

#45B41F #1FB443 #1FB48E

triadic

#1FB443 #431FB4 #B4431F

tetradic

#1FB443 #1F45B4 #B41F90 #B48E1F

square

#1FB443 #1F45B4 #B41F90 #B48E1F

split-complementary

#1FB443 #8E1FB4 #B41F45

monochromatic

#0D4C1C #168030 #1FB443 #34DC5D #68E586

Accessibility & contrast

On white

2.74

#1FB443 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#1FB443 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB443

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB443	#FFFFFF	#000000	##000000
##1FB443	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A336

Deuteranopia (green-blind)

#A7984D

Tritanopia (blue-blind)

#00B09C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #1fb443;
/* rgb */ color: rgb(31, 180, 67);
/* oklch */ color: oklch(67.4% 0.194 146.3);

Tailwind

colors: {
  custom: {
    50: '#77cc7b',
    500: '#1fb443',
    950: '#000000',
  },
}

SCSS

$custom: #1fb443;
$custom-light: #77cc7b;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb443",
  "rgb": {
    "r": 31,
    "g": 180,
    "b": 67
  },
  "hsl": {
    "h": 134.497,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67354,
    "c": 0.19438,
    "h": 146.3
  },
  "luminance": 0.33339
}

Semantic roles & 50–950 ramp

primary

#1FB443

secondary

#CB64B2

accent

#3AC2ED

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #1FB443

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

Preview Lab → · Contrast checker → · Palette generator →