#1FA431#1FA431

#1FA431 is a light, vivid green. Relative luminance 0.271; OKLCH L 62.8% C 0.189 H 144.5°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#1FA431
RGB	rgb(31, 164, 49)
HSL	hsl(128, 68%, 38%)
HSV	hsv(128, 81%, 64%)
CMYK	cmyk(81.1%, 0%, 70.1%, 35.7%)
CIE-LAB	lab(59.03, -56.90, 47.86)
CIE-LCH	lch(59.03, 74.35, 139.93°)
OKLab	oklab(62.81% -0.1537 0.1097)
OKLCH	oklch(62.81% 0.189 144.5)
XYZ	xyz(14.3939, 27.0622, 7.3701)
Luminance	0.2706 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA431 #A41F92

analogous

#50A41F #1FA431 #1FA473

triadic

#1FA431 #311FA4 #A4311F

tetradic

#1FA431 #1F50A4 #A41F92 #A4731F

square

#1FA431 #1F50A4 #A41F92 #A4731F

split-complementary

#1FA431 #731FA4 #A41F50

monochromatic

#0C3D12 #157122 #1FA431 #2AD741 #5DE06F

Accessibility & contrast

On white

3.27

#1FA431 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#1FA431 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA431

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA431	#FFFFFF	#000000	##000000
##1FA431	1.00	3.27	6.41	6.41
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79420

Deuteranopia (green-blind)

#998A3C

Tritanopia (blue-blind)

#009F8D

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #1fa431;
/* rgb */ color: rgb(31, 164, 49);
/* oklch */ color: oklch(62.8% 0.189 144.5);

Tailwind

colors: {
  custom: {
    50: '#74c06f',
    500: '#1fa431',
    950: '#000000',
  },
}

SCSS

$custom: #1fa431;
$custom-light: #74c06f;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa431",
  "rgb": {
    "r": 31,
    "g": 164,
    "b": 49
  },
  "hsl": {
    "h": 128.12,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.62814,
    "c": 0.18881,
    "h": 144.5
  },
  "luminance": 0.27064
}

Semantic roles & 50–950 ramp

primary

#1FA431

secondary

#C55AB6

accent

#3DD3EB

background

#F7FCF6

surface

#EEF8EC

border

#C9D1C7

text

#0A1208

muted

#7C817B

Preview Lab

Preview with #1FA431

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

Preview Lab → · Contrast checker → · Palette generator →