#1F9743#1F9743

#1F9743 is a mid, vivid green. Relative luminance 0.228; OKLCH L 59.4% C 0.159 H 148.2°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#1F9743
RGB	rgb(31, 151, 67)
HSL	hsl(138, 66%, 36%)
HSV	hsv(138, 79%, 59%)
CMYK	cmyk(79.5%, 0%, 55.6%, 40.8%)
CIE-LAB	lab(54.90, -50.34, 34.95)
CIE-LCH	lch(54.90, 61.29, 145.23°)
OKLab	oklab(59.44% -0.1353 0.0837)
OKLCH	oklch(59.44% 0.159 148.2)
XYZ	xyz(12.6438, 22.8283, 9.0490)
Luminance	0.2283 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9743 #971F73

analogous

#37971F #1F9743 #1F977F

triadic

#1F9743 #431F97 #97431F

tetradic

#1F9743 #1F3797 #971F73 #977F1F

square

#1F9743 #1F3797 #971F73 #977F1F

split-complementary

#1F9743 #7F1F97 #971F37

monochromatic

#0A3116 #15642C #1F9743 #29CA5A #54DC7D

Accessibility & contrast

On white

3.77

#1F9743 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#1F9743 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9743

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9743	#FFFFFF	#000000	##000000
##1F9743	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99893B

Deuteranopia (green-blind)

#8B8049

Tritanopia (blue-blind)

#009484

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f9743;
/* rgb */ color: rgb(31, 151, 67);
/* oklch */ color: oklch(59.4% 0.159 148.2);

Tailwind

colors: {
  custom: {
    50: '#70b779',
    500: '#1f9743',
    950: '#000000',
  },
}

SCSS

$custom: #1f9743;
$custom-light: #70b779;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9743",
  "rgb": {
    "r": 31,
    "g": 151,
    "b": 67
  },
  "hsl": {
    "h": 138,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59437,
    "c": 0.15909,
    "h": 148.2
  },
  "luminance": 0.2283
}

Semantic roles & 50–950 ramp

primary

#1F9743

secondary

#BF529F

accent

#3FB6E9

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091109

muted

#7B807B

Preview Lab

Preview with #1F9743

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

Preview Lab → · Contrast checker → · Palette generator →