#1F973A#1F973A

#1F973A is a mid, vivid green. Relative luminance 0.227; OKLCH L 59.3% C 0.167 H 146.4°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#1F973A
RGB	rgb(31, 151, 58)
HSL	hsl(134, 66%, 36%)
HSV	hsv(134, 79%, 59%)
CMYK	cmyk(79.5%, 0%, 61.6%, 40.8%)
CIE-LAB	lab(54.79, -51.58, 39.22)
CIE-LCH	lch(54.79, 64.80, 142.75°)
OKLab	oklab(59.32% -0.1389 0.0923)
OKLCH	oklch(59.32% 0.167 146.4)
XYZ	xyz(12.3945, 22.7285, 7.7360)
Luminance	0.2273 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F973A #971F7C

analogous

#40971F #1F973A #1F9776

triadic

#1F973A #3A1F97 #973A1F

tetradic

#1F973A #1F4097 #971F7C #97761F

square

#1F973A #1F4097 #971F7C #97761F

split-complementary

#1F973A #761F97 #971F40

monochromatic

#0A3113 #156426 #1F973A #29CA4E #54DC73

Accessibility & contrast

On white

3.79

#1F973A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#1F973A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F973A

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F973A	#FFFFFF	#000000	##000000
##1F973A	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#998930

Deuteranopia (green-blind)

#8C7F42

Tritanopia (blue-blind)

#009383

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f973a;
/* rgb */ color: rgb(31, 151, 58);
/* oklch */ color: oklch(59.3% 0.167 146.4);

Tailwind

colors: {
  custom: {
    50: '#70b773',
    500: '#1f973a',
    950: '#000000',
  },
}

SCSS

$custom: #1f973a;
$custom-light: #70b773;
$custom-dark: #000000;

JSON

{
  "hex": "#1f973a",
  "rgb": {
    "r": 31,
    "g": 151,
    "b": 58
  },
  "hsl": {
    "h": 133.5,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59318,
    "c": 0.16675,
    "h": 146.4
  },
  "luminance": 0.2273
}

Semantic roles & 50–950 ramp

primary

#1F973A

secondary

#BF52A7

accent

#3FC3E9

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #1F973A

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

Preview Lab → · Contrast checker → · Palette generator →