#1FA837#1FA837

#1FA837 is a light, vivid green. Relative luminance 0.286; OKLCH L 64.0% C 0.189 H 145.1°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#1FA837
RGB	rgb(31, 168, 55)
HSL	hsl(131, 69%, 39%)
HSV	hsv(131, 82%, 66%)
CMYK	cmyk(81.5%, 0%, 67.3%, 34.1%)
CIE-LAB	lab(60.40, -57.58, 46.84)
CIE-LCH	lch(60.40, 74.23, 140.87°)
OKLab	oklab(63.97% -0.1553 0.1083)
OKLCH	oklch(63.97% 0.189 145.1)
XYZ	xyz(15.2562, 28.5705, 8.3243)
Luminance	0.2857 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA837 #A81F90

analogous

#4CA81F #1FA837 #1FA87C

triadic

#1FA837 #371FA8 #A8371F

tetradic

#1FA837 #1F4CA8 #A81F90 #A87C1F

square

#1FA837 #1F4CA8 #A81F90 #A87C1F

split-complementary

#1FA837 #7C1FA8 #A81F4C

monochromatic

#0C4115 #157426 #1FA837 #2CD84A #60E277

Accessibility & contrast

On white

3.13

#1FA837 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#1FA837 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA837

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA837	#FFFFFF	#000000	##000000
##1FA837	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9828

Deuteranopia (green-blind)

#9C8E42

Tritanopia (blue-blind)

#00A491

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #1fa837;
/* rgb */ color: rgb(31, 168, 55);
/* oklch */ color: oklch(64.0% 0.189 145.1);

Tailwind

colors: {
  custom: {
    50: '#75c373',
    500: '#1fa837',
    950: '#000000',
  },
}

SCSS

$custom: #1fa837;
$custom-light: #75c373;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa837",
  "rgb": {
    "r": 31,
    "g": 168,
    "b": 55
  },
  "hsl": {
    "h": 130.511,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.63967,
    "c": 0.18928,
    "h": 145.1
  },
  "luminance": 0.28572
}

Semantic roles & 50–950 ramp

primary

#1FA837

secondary

#C65DB4

accent

#3CCDEC

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1308

muted

#7C827B

Preview Lab

Preview with #1FA837

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

Preview Lab → · Contrast checker → · Palette generator →