#1F9831#1F9831

#1F9831 is a mid, vivid green. Relative luminance 0.230; OKLCH L 59.5% C 0.175 H 144.8°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F9831
RGB	rgb(31, 152, 49)
HSL	hsl(129, 66%, 36%)
HSV	hsv(129, 80%, 60%)
CMYK	cmyk(79.6%, 0%, 67.8%, 40.4%)
CIE-LAB	lab(55.04, -52.98, 43.57)
CIE-LCH	lch(55.04, 68.59, 140.56°)
OKLab	oklab(59.5% -0.143 0.1007)
OKLCH	oklch(59.5% 0.175 144.8)
XYZ	xyz(12.3468, 22.9681, 6.6877)
Luminance	0.2297 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9831 #981F86

analogous

#49981F #1F9831 #1F986D

triadic

#1F9831 #311F98 #98311F

tetradic

#1F9831 #1F4998 #981F86 #986D1F

square

#1F9831 #1F4998 #981F86 #986D1F

split-complementary

#1F9831 #6D1F98 #981F49

monochromatic

#0A3210 #156521 #1F9831 #29CB41 #55DC69

Accessibility & contrast

On white

3.75

#1F9831 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#1F9831 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9831

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9831	#FFFFFF	#000000	##000000
##1F9831	1.00	3.75	5.59	5.59
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9B8923

Deuteranopia (green-blind)

#8D803B

Tritanopia (blue-blind)

#009483

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1f9831;
/* rgb */ color: rgb(31, 152, 49);
/* oklch */ color: oklch(59.5% 0.175 144.8);

Tailwind

colors: {
  custom: {
    50: '#71b76e',
    500: '#1f9831',
    950: '#000000',
  },
}

SCSS

$custom: #1f9831;
$custom-light: #71b76e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9831",
  "rgb": {
    "r": 31,
    "g": 152,
    "b": 49
  },
  "hsl": {
    "h": 128.926,
    "s": 66.12,
    "l": 35.882
  },
  "oklch": {
    "l": 0.59496,
    "c": 0.17488,
    "h": 144.8
  },
  "luminance": 0.2297
}

Semantic roles & 50–950 ramp

primary

#1F9831

secondary

#C053B0

accent

#3FD0E9

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091107

muted

#7B807A

Preview Lab

Preview with #1F9831

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

Preview Lab → · Contrast checker → · Palette generator →