#1F9931#1F9931

#1F9931 is a mid, vivid green. Relative luminance 0.233; OKLCH L 59.8% C 0.176 H 144.8°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F9931
RGB	rgb(31, 153, 49)
HSL	hsl(129, 66%, 36%)
HSV	hsv(129, 80%, 60%)
CMYK	cmyk(79.7%, 0%, 68%, 40%)
CIE-LAB	lab(55.37, -53.31, 43.93)
CIE-LCH	lch(55.37, 69.08, 140.51°)
OKLab	oklab(59.77% -0.1439 0.1015)
OKLCH	oklch(59.77% 0.176 144.8)
XYZ	xyz(12.5098, 23.2940, 6.7420)
Luminance	0.2330 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9931 #991F87

analogous

#4A991F #1F9931 #1F996E

triadic

#1F9931 #311F99 #99311F

tetradic

#1F9931 #1F4A99 #991F87 #996E1F

square

#1F9931 #1F4A99 #991F87 #996E1F

split-complementary

#1F9931 #6E1F99 #991F4A

monochromatic

#0A3310 #156621 #1F9931 #29CC41 #56DD6A

Accessibility & contrast

On white

3.71

#1F9931 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#1F9931 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9931

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9931	#FFFFFF	#000000	##000000
##1F9931	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8A23

Deuteranopia (green-blind)

#8E813B

Tritanopia (blue-blind)

#009584

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #1f9931;
/* rgb */ color: rgb(31, 153, 49);
/* oklch */ color: oklch(59.8% 0.176 144.8);

Tailwind

colors: {
  custom: {
    50: '#71b86e',
    500: '#1f9931',
    950: '#000000',
  },
}

SCSS

$custom: #1f9931;
$custom-light: #71b86e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9931",
  "rgb": {
    "r": 31,
    "g": 153,
    "b": 49
  },
  "hsl": {
    "h": 128.852,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.59774,
    "c": 0.17606,
    "h": 144.8
  },
  "luminance": 0.23296
}

Semantic roles & 50–950 ramp

primary

#1F9931

secondary

#C054B0

accent

#3FD0E9

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091107

muted

#7B807A

Preview Lab

Preview with #1F9931

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

Preview Lab → · Contrast checker → · Palette generator →