#1FA731#1FA731

#1FA731 is a light, vivid green. Relative luminance 0.281; OKLCH L 63.6% C 0.192 H 144.4°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#1FA731
RGB	rgb(31, 167, 49)
HSL	hsl(128, 69%, 39%)
HSV	hsv(128, 81%, 65%)
CMYK	cmyk(81.4%, 0%, 70.7%, 34.5%)
CIE-LAB	lab(60.02, -57.86, 48.90)
CIE-LCH	lch(60.02, 75.76, 139.80°)
OKLab	oklab(63.64% -0.1563 0.1119)
OKLCH	oklch(63.64% 0.192 144.4)
XYZ	xyz(14.9371, 28.1487, 7.5511)
Luminance	0.2815 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA731 #A71F95

analogous

#51A71F #1FA731 #1FA775

triadic

#1FA731 #311FA7 #A7311F

tetradic

#1FA731 #1F51A7 #A71F95 #A7751F

square

#1FA731 #1F51A7 #A71F95 #A7751F

split-complementary

#1FA731 #751FA7 #A71F51

monochromatic

#0C4013 #157322 #1FA731 #2BD842 #5FE170

Accessibility & contrast

On white

3.17

#1FA731 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#1FA731 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA731

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA731	#FFFFFF	#000000	##000000
##1FA731	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA971F

Deuteranopia (green-blind)

#9C8D3D

Tritanopia (blue-blind)

#00A28F

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #1fa731;
/* rgb */ color: rgb(31, 167, 49);
/* oklch */ color: oklch(63.6% 0.192 144.4);

Tailwind

colors: {
  custom: {
    50: '#75c270',
    500: '#1fa731',
    950: '#000000',
  },
}

SCSS

$custom: #1fa731;
$custom-light: #75c270;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa731",
  "rgb": {
    "r": 31,
    "g": 167,
    "b": 49
  },
  "hsl": {
    "h": 127.941,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.63638,
    "c": 0.19221,
    "h": 144.4
  },
  "luminance": 0.2815
}

Semantic roles & 50–950 ramp

primary

#1FA731

secondary

#C65CB8

accent

#3CD4EC

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1308

muted

#7C827B

Preview Lab

Preview with #1FA731

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

Preview Lab → · Contrast checker → · Palette generator →