#1F9B40#1F9B40

#1F9B40 is a mid, vivid green. Relative luminance 0.241; OKLCH L 60.5% C 0.167 H 147.3°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F9B40
RGB	rgb(31, 155, 64)
HSL	hsl(136, 67%, 36%)
HSV	hsv(136, 80%, 61%)
CMYK	cmyk(80%, 0%, 58.7%, 39.2%)
CIE-LAB	lab(56.19, -52.17, 37.98)
CIE-LCH	lch(56.19, 64.52, 143.94°)
OKLab	oklab(60.5% -0.1403 0.0901)
OKLCH	oklch(60.5% 0.167 147.3)
XYZ	xyz(13.2108, 24.1026, 8.8055)
Luminance	0.2410 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9B40 #9B1F7A

analogous

#3C9B1F #1F9B40 #1F9B7E

triadic

#1F9B40 #401F9B #9B401F

tetradic

#1F9B40 #1F3C9B #9B1F7A #9B7E1F

square

#1F9B40 #1F3C9B #9B1F7A #9B7E1F

split-complementary

#1F9B40 #7E1F9B #9B1F3C

monochromatic

#0B3516 #15682B #1F9B40 #29CE55 #57DD7B

Accessibility & contrast

On white

3.61

#1F9B40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#1F9B40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9B40

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9B40	#FFFFFF	#000000	##000000
##1F9B40	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8D37

Deuteranopia (green-blind)

#8F8347

Tritanopia (blue-blind)

#009787

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #1f9b40;
/* rgb */ color: rgb(31, 155, 64);
/* oklch */ color: oklch(60.5% 0.167 147.3);

Tailwind

colors: {
  custom: {
    50: '#71ba78',
    500: '#1f9b40',
    950: '#000000',
  },
}

SCSS

$custom: #1f9b40;
$custom-light: #71ba78;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9b40",
  "rgb": {
    "r": 31,
    "g": 155,
    "b": 64
  },
  "hsl": {
    "h": 135.968,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.605,
    "c": 0.16673,
    "h": 147.3
  },
  "luminance": 0.24104
}

Semantic roles & 50–950 ramp

primary

#1F9B40

secondary

#C155A4

accent

#3EBCEA

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091209

muted

#7B817B

Preview Lab

Preview with #1F9B40

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

Preview Lab → · Contrast checker → · Palette generator →