#1FA831#1FA831

#1FA831 is a light, vivid green. Relative luminance 0.285; OKLCH L 63.9% C 0.193 H 144.4°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#1FA831
RGB	rgb(31, 168, 49)
HSL	hsl(128, 69%, 39%)
HSV	hsv(128, 82%, 66%)
CMYK	cmyk(81.5%, 0%, 70.8%, 34.1%)
CIE-LAB	lab(60.35, -58.18, 49.25)
CIE-LCH	lch(60.35, 76.23, 139.75°)
OKLab	oklab(63.91% -0.1571 0.1126)
OKLCH	oklch(63.91% 0.193 144.4)
XYZ	xyz(15.1210, 28.5165, 7.6124)
Luminance	0.2852 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA831 #A81F96

analogous

#52A81F #1FA831 #1FA876

triadic

#1FA831 #311FA8 #A8311F

tetradic

#1FA831 #1F52A8 #A81F96 #A8761F

square

#1FA831 #1F52A8 #A81F96 #A8761F

split-complementary

#1FA831 #761FA8 #A81F52

monochromatic

#0C4113 #157422 #1FA831 #2CD843 #60E271

Accessibility & contrast

On white

3.13

#1FA831 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#1FA831 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA831

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA831	#FFFFFF	#000000	##000000
##1FA831	1.00	3.13	6.70	6.70
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB981F

Deuteranopia (green-blind)

#9D8E3D

Tritanopia (blue-blind)

#00A390

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #1fa831;
/* rgb */ color: rgb(31, 168, 49);
/* oklch */ color: oklch(63.9% 0.193 144.4);

Tailwind

colors: {
  custom: {
    50: '#75c370',
    500: '#1fa831',
    950: '#000000',
  },
}

SCSS

$custom: #1fa831;
$custom-light: #75c370;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa831",
  "rgb": {
    "r": 31,
    "g": 168,
    "b": 49
  },
  "hsl": {
    "h": 127.883,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.63912,
    "c": 0.19334,
    "h": 144.4
  },
  "luminance": 0.28518
}

Semantic roles & 50–950 ramp

primary

#1FA831

secondary

#C65DB8

accent

#3CD5EC

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1308

muted

#7C827B

Preview Lab

Preview with #1FA831

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

Preview Lab → · Contrast checker → · Palette generator →