#1F9B33#1F9B33

#1F9B33 is a mid, vivid green. Relative luminance 0.240; OKLCH L 60.3% C 0.177 H 145.0°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#1F9B33
RGB	rgb(31, 155, 51)
HSL	hsl(130, 67%, 36%)
HSV	hsv(130, 80%, 61%)
CMYK	cmyk(80%, 0%, 67.1%, 39.2%)
CIE-LAB	lab(56.06, -53.76, 43.82)
CIE-LCH	lch(56.06, 69.36, 140.82°)
OKLab	oklab(60.35% -0.145 0.1014)
OKLCH	oklch(60.35% 0.177 145)
XYZ	xyz(12.8830, 23.9715, 7.0793)
Luminance	0.2397 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9B33 #9B1F87

analogous

#499B1F #1F9B33 #1F9B71

triadic

#1F9B33 #331F9B #9B331F

tetradic

#1F9B33 #1F499B #9B1F87 #9B711F

square

#1F9B33 #1F499B #9B1F87 #9B711F

split-complementary

#1F9B33 #711F9B #9B1F49

monochromatic

#0B3511 #156822 #1F9B33 #29CE44 #57DD6D

Accessibility & contrast

On white

3.62

#1F9B33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#1F9B33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9B33

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9B33	#FFFFFF	#000000	##000000
##1F9B33	1.00	3.62	5.79	5.79
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8C26

Deuteranopia (green-blind)

#90833D

Tritanopia (blue-blind)

#009786

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1f9b33;
/* rgb */ color: rgb(31, 155, 51);
/* oklch */ color: oklch(60.3% 0.177 145.0);

Tailwind

colors: {
  custom: {
    50: '#72ba70',
    500: '#1f9b33',
    950: '#000000',
  },
}

SCSS

$custom: #1f9b33;
$custom-light: #72ba70;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9b33",
  "rgb": {
    "r": 31,
    "g": 155,
    "b": 51
  },
  "hsl": {
    "h": 129.677,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.60348,
    "c": 0.17699,
    "h": 145
  },
  "luminance": 0.23973
}

Semantic roles & 50–950 ramp

primary

#1F9B33

secondary

#C155B0

accent

#3ECEEA

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091208

muted

#7B817B

Preview Lab

Preview with #1F9B33

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

Preview Lab → · Contrast checker → · Palette generator →