#1F9837#1F9837

#1F9837 is a mid, vivid green. Relative luminance 0.230; OKLCH L 59.6% C 0.170 H 145.8°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F9837
RGB	rgb(31, 152, 55)
HSL	hsl(132, 66%, 36%)
HSV	hsv(132, 80%, 60%)
CMYK	cmyk(79.6%, 0%, 63.8%, 40.4%)
CIE-LAB	lab(55.10, -52.30, 40.96)
CIE-LCH	lch(55.10, 66.43, 141.93°)
OKLab	oklab(59.56% -0.1409 0.0958)
OKLCH	oklch(59.56% 0.17 145.8)
XYZ	xyz(12.4820, 23.0221, 7.3996)
Luminance	0.2302 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9837 #981F80

analogous

#43981F #1F9837 #1F9873

triadic

#1F9837 #371F98 #98371F

tetradic

#1F9837 #1F4398 #981F80 #98731F

square

#1F9837 #1F4398 #981F80 #98731F

split-complementary

#1F9837 #731F98 #981F43

monochromatic

#0A3212 #156525 #1F9837 #29CB49 #55DC70

Accessibility & contrast

On white

3.75

#1F9837 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#1F9837 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9837

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9837	#FFFFFF	#000000	##000000
##1F9837	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8A2C

Deuteranopia (green-blind)

#8D803F

Tritanopia (blue-blind)

#009483

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1f9837;
/* rgb */ color: rgb(31, 152, 55);
/* oklch */ color: oklch(59.6% 0.170 145.8);

Tailwind

colors: {
  custom: {
    50: '#71b772',
    500: '#1f9837',
    950: '#000000',
  },
}

SCSS

$custom: #1f9837;
$custom-light: #71b772;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9837",
  "rgb": {
    "r": 31,
    "g": 152,
    "b": 55
  },
  "hsl": {
    "h": 131.901,
    "s": 66.12,
    "l": 35.882
  },
  "oklch": {
    "l": 0.5956,
    "c": 0.17037,
    "h": 145.8
  },
  "luminance": 0.23024
}

Semantic roles & 50–950 ramp

primary

#1F9837

secondary

#C053AA

accent

#3FC7E9

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #1F9837

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

Preview Lab → · Contrast checker → · Palette generator →