#1F973B#1F973B

#1F973B is a mid, vivid green. Relative luminance 0.227; OKLCH L 59.3% C 0.166 H 146.6°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#1F973B
RGB	rgb(31, 151, 59)
HSL	hsl(134, 66%, 36%)
HSV	hsv(134, 79%, 59%)
CMYK	cmyk(79.5%, 0%, 60.9%, 40.8%)
CIE-LAB	lab(54.80, -51.46, 38.76)
CIE-LCH	lch(54.80, 64.42, 143.01°)
OKLab	oklab(59.33% -0.1385 0.0914)
OKLCH	oklch(59.33% 0.166 146.6)
XYZ	xyz(12.4202, 22.7388, 7.8713)
Luminance	0.2274 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F973B #971F7B

analogous

#3F971F #1F973B #1F9777

triadic

#1F973B #3B1F97 #973B1F

tetradic

#1F973B #1F3F97 #971F7B #97771F

square

#1F973B #1F3F97 #971F7B #97771F

split-complementary

#1F973B #771F97 #971F3F

monochromatic

#0A3113 #156427 #1F973B #29CA4F #54DC74

Accessibility & contrast

On white

3.79

#1F973B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#1F973B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F973B

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F973B	#FFFFFF	#000000	##000000
##1F973B	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)

#998931

Deuteranopia (green-blind)

#8C7F43

Tritanopia (blue-blind)

#009383

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f973b;
/* rgb */ color: rgb(31, 151, 59);
/* oklch */ color: oklch(59.3% 0.166 146.6);

Tailwind

colors: {
  custom: {
    50: '#70b774',
    500: '#1f973b',
    950: '#000000',
  },
}

SCSS

$custom: #1f973b;
$custom-light: #70b774;
$custom-dark: #000000;

JSON

{
  "hex": "#1f973b",
  "rgb": {
    "r": 31,
    "g": 151,
    "b": 59
  },
  "hsl": {
    "h": 134,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.5933,
    "c": 0.16593,
    "h": 146.6
  },
  "luminance": 0.2274
}

Semantic roles & 50–950 ramp

primary

#1F973B

secondary

#BF52A6

accent

#3FC1E9

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #1F973B

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

Preview Lab → · Contrast checker → · Palette generator →