#1F9933#1F9933

#1F9933 is a mid, vivid green. Relative luminance 0.233; OKLCH L 59.8% C 0.175 H 145.1°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F9933
RGB	rgb(31, 153, 51)
HSL	hsl(130, 66%, 36%)
HSV	hsv(130, 80%, 60%)
CMYK	cmyk(79.7%, 0%, 66.7%, 40%)
CIE-LAB	lab(55.39, -53.09, 43.09)
CIE-LCH	lch(55.39, 68.38, 140.94°)
OKLab	oklab(59.79% -0.1432 0.0999)
OKLCH	oklch(59.79% 0.175 145.1)
XYZ	xyz(12.5530, 23.3113, 6.9693)
Luminance	0.2331 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9933 #991F85

analogous

#48991F #1F9933 #1F9970

triadic

#1F9933 #331F99 #99331F

tetradic

#1F9933 #1F4899 #991F85 #99701F

square

#1F9933 #1F4899 #991F85 #99701F

split-complementary

#1F9933 #701F99 #991F48

monochromatic

#0A3311 #156622 #1F9933 #29CC44 #56DD6C

Accessibility & contrast

On white

3.71

#1F9933 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#1F9933 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9933

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9933	#FFFFFF	#000000	##000000
##1F9933	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)

#9C8A26

Deuteranopia (green-blind)

#8E813C

Tritanopia (blue-blind)

#009584

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #1f9933;
/* rgb */ color: rgb(31, 153, 51);
/* oklch */ color: oklch(59.8% 0.175 145.1);

Tailwind

colors: {
  custom: {
    50: '#71b86f',
    500: '#1f9933',
    950: '#000000',
  },
}

SCSS

$custom: #1f9933;
$custom-light: #71b86f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9933",
  "rgb": {
    "r": 31,
    "g": 153,
    "b": 51
  },
  "hsl": {
    "h": 129.836,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.59794,
    "c": 0.17461,
    "h": 145.1
  },
  "luminance": 0.23313
}

Semantic roles & 50–950 ramp

primary

#1F9933

secondary

#C054AE

accent

#3FCDE9

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091108

muted

#7B807B

Preview Lab

Preview with #1F9933

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

Preview Lab → · Contrast checker → · Palette generator →