#1FA631#1FA631

#1FA631 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.4% C 0.191 H 144.4°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#1FA631
RGB	rgb(31, 166, 49)
HSL	hsl(128, 69%, 39%)
HSV	hsv(128, 81%, 65%)
CMYK	cmyk(81.3%, 0%, 70.5%, 34.9%)
CIE-LAB	lab(59.69, -57.54, 48.56)
CIE-LCH	lch(59.69, 75.29, 139.84°)
OKLab	oklab(63.36% -0.1554 0.1112)
OKLCH	oklch(63.36% 0.191 144.4)
XYZ	xyz(14.7546, 27.7837, 7.4903)
Luminance	0.2778 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA631 #A61F94

analogous

#50A61F #1FA631 #1FA674

triadic

#1FA631 #311FA6 #A6311F

tetradic

#1FA631 #1F50A6 #A61F94 #A6741F

square

#1FA631 #1F50A6 #A61F94 #A6741F

split-complementary

#1FA631 #741FA6 #A61F50

monochromatic

#0C3F13 #157222 #1FA631 #2BD742 #5EE170

Accessibility & contrast

On white

3.20

#1FA631 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#1FA631 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA631

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA631	#FFFFFF	#000000	##000000
##1FA631	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9961F

Deuteranopia (green-blind)

#9B8C3D

Tritanopia (blue-blind)

#00A18F

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #1fa631;
/* rgb */ color: rgb(31, 166, 49);
/* oklch */ color: oklch(63.4% 0.191 144.4);

Tailwind

colors: {
  custom: {
    50: '#75c270',
    500: '#1fa631',
    950: '#000000',
  },
}

SCSS

$custom: #1fa631;
$custom-light: #75c270;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa631",
  "rgb": {
    "r": 31,
    "g": 166,
    "b": 49
  },
  "hsl": {
    "h": 128,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.63363,
    "c": 0.19108,
    "h": 144.4
  },
  "luminance": 0.27785
}

Semantic roles & 50–950 ramp

primary

#1FA631

secondary

#C55BB7

accent

#3CD4EB

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1208

muted

#7C817B

Preview Lab

Preview with #1FA631

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

Preview Lab → · Contrast checker → · Palette generator →