#1F9E33#1F9E33

#1F9E33 is a mid, vivid green. Relative luminance 0.250; OKLCH L 61.2% C 0.181 H 144.9°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#1F9E33
RGB	rgb(31, 158, 51)
HSL	hsl(129, 67%, 37%)
HSV	hsv(129, 80%, 62%)
CMYK	cmyk(80.4%, 0%, 67.7%, 38%)
CIE-LAB	lab(57.06, -54.75, 44.91)
CIE-LCH	lch(57.06, 70.81, 140.64°)
OKLab	oklab(61.18% -0.1477 0.1037)
OKLCH	oklch(61.18% 0.181 144.9)
XYZ	xyz(13.3885, 24.9824, 7.2478)
Luminance	0.2498 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9E33 #9E1F8A

analogous

#4A9E1F #1F9E33 #1F9E73

triadic

#1F9E33 #331F9E #9E331F

tetradic

#1F9E33 #1F4A9E #9E1F8A #9E731F

square

#1F9E33 #1F4A9E #9E1F8A #9E731F

split-complementary

#1F9E33 #731F9E #9E1F4A

monochromatic

#0B3812 #156B22 #1F9E33 #29D144 #59DE6E

Accessibility & contrast

On white

3.50

#1F9E33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#1F9E33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9E33

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9E33	#FFFFFF	#000000	##000000
##1F9E33	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18F25

Deuteranopia (green-blind)

#93853D

Tritanopia (blue-blind)

#009A88

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1f9e33;
/* rgb */ color: rgb(31, 158, 51);
/* oklch */ color: oklch(61.2% 0.181 144.9);

Tailwind

colors: {
  custom: {
    50: '#72bc70',
    500: '#1f9e33',
    950: '#000000',
  },
}

SCSS

$custom: #1f9e33;
$custom-light: #72bc70;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9e33",
  "rgb": {
    "r": 31,
    "g": 158,
    "b": 51
  },
  "hsl": {
    "h": 129.449,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.61179,
    "c": 0.18051,
    "h": 144.9
  },
  "luminance": 0.24984
}

Semantic roles & 50–950 ramp

primary

#1F9E33

secondary

#C256B1

accent

#3ECFEA

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091208

muted

#7B817B

Preview Lab

Preview with #1F9E33

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

Preview Lab → · Contrast checker → · Palette generator →