#1F9728#1F9728

#1F9728 is a mid, vivid green. Relative luminance 0.226; OKLCH L 59.1% C 0.180 H 143.7°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#1F9728
RGB	rgb(31, 151, 40)
HSL	hsl(125, 66%, 36%)
HSV	hsv(125, 79%, 59%)
CMYK	cmyk(79.5%, 0%, 73.5%, 40.8%)
CIE-LAB	lab(54.63, -53.52, 46.83)
CIE-LCH	lch(54.63, 71.12, 138.82°)
OKLab	oklab(59.14% -0.1449 0.1064)
OKLCH	oklch(59.14% 0.18 143.7)
XYZ	xyz(12.0139, 22.5763, 5.7316)
Luminance	0.2258 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9728 #971F8E

analogous

#52971F #1F9728 #1F9764

triadic

#1F9728 #281F97 #97281F

tetradic

#1F9728 #1F5297 #971F8E #97641F

square

#1F9728 #1F5297 #971F8E #97641F

split-complementary

#1F9728 #641F97 #971F52

monochromatic

#0A310D #15641B #1F9728 #29CA35 #54DC5F

Accessibility & contrast

On white

3.81

#1F9728 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#1F9728 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9728

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9728	#FFFFFF	#000000	##000000
##1F9728	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8815

Deuteranopia (green-blind)

#8D7F33

Tritanopia (blue-blind)

#009381

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f9728;
/* rgb */ color: rgb(31, 151, 40);
/* oklch */ color: oklch(59.1% 0.180 143.7);

Tailwind

colors: {
  custom: {
    50: '#71b769',
    500: '#1f9728',
    950: '#000000',
  },
}

SCSS

$custom: #1f9728;
$custom-light: #71b769;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9728",
  "rgb": {
    "r": 31,
    "g": 151,
    "b": 40
  },
  "hsl": {
    "h": 124.5,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59135,
    "c": 0.17976,
    "h": 143.7
  },
  "luminance": 0.22578
}

Semantic roles & 50–950 ramp

primary

#1F9728

secondary

#BF52B7

accent

#3FDCE9

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091107

muted

#7B807A

Preview Lab

Preview with #1F9728

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

Preview Lab → · Contrast checker → · Palette generator →