#1F9C40#1F9C40

#1F9C40 is a mid, vivid green. Relative luminance 0.244; OKLCH L 60.8% C 0.168 H 147.2°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#1F9C40
RGB	rgb(31, 156, 64)
HSL	hsl(136, 67%, 37%)
HSV	hsv(136, 80%, 61%)
CMYK	cmyk(80.1%, 0%, 59%, 38.8%)
CIE-LAB	lab(56.52, -52.51, 38.37)
CIE-LCH	lch(56.52, 65.03, 143.84°)
OKLab	oklab(60.78% -0.1412 0.091)
OKLCH	oklch(60.78% 0.168 147.2)
XYZ	xyz(13.3779, 24.4368, 8.8612)
Luminance	0.2444 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9C40 #9C1F7B

analogous

#3D9C1F #1F9C40 #1F9C7F

triadic

#1F9C40 #401F9C #9C401F

tetradic

#1F9C40 #1F3D9C #9C1F7B #9C7F1F

square

#1F9C40 #1F3D9C #9C1F7B #9C7F1F

split-complementary

#1F9C40 #7F1F9C #9C1F3D

monochromatic

#0B3616 #15692B #1F9C40 #29CF55 #58DE7B

Accessibility & contrast

On white

3.57

#1F9C40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#1F9C40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9C40

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9C40	#FFFFFF	#000000	##000000
##1F9C40	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8D37

Deuteranopia (green-blind)

#908447

Tritanopia (blue-blind)

#009888

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #1f9c40;
/* rgb */ color: rgb(31, 156, 64);
/* oklch */ color: oklch(60.8% 0.168 147.2);

Tailwind

colors: {
  custom: {
    50: '#71ba78',
    500: '#1f9c40',
    950: '#000000',
  },
}

SCSS

$custom: #1f9c40;
$custom-light: #71ba78;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9c40",
  "rgb": {
    "r": 31,
    "g": 156,
    "b": 64
  },
  "hsl": {
    "h": 135.84,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.60775,
    "c": 0.16797,
    "h": 147.2
  },
  "luminance": 0.24438
}

Semantic roles & 50–950 ramp

primary

#1F9C40

secondary

#C155A5

accent

#3EBCEA

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091209

muted

#7B817B

Preview Lab

Preview with #1F9C40

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

Preview Lab → · Contrast checker → · Palette generator →