#1F9017#1F9017

#1F9017 is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.1% C 0.181 H 142.1°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#1F9017
RGB	rgb(31, 144, 23)
HSL	hsl(116, 72%, 33%)
HSV	hsv(116, 84%, 56%)
CMYK	cmyk(78.5%, 0%, 84%, 43.5%)
CIE-LAB	lab(52.17, -52.48, 50.15)
CIE-LCH	lch(52.17, 72.59, 136.30°)
OKLab	oklab(57.06% -0.1428 0.111)
OKLCH	oklch(57.06% 0.181 142.1)
XYZ	xyz(10.6923, 20.2984, 4.1649)
Luminance	0.2030 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9017 #881790

analogous

#5B9017 #1F9017 #17904B

triadic

#1F9017 #171F90 #90171F

tetradic

#1F9017 #175B90 #881790 #904B17

square

#1F9017 #175B90 #881790 #904B17

split-complementary

#1F9017 #4B1790 #90175B

monochromatic

#082606 #145B0F #1F9017 #2AC51F #4BE141

Accessibility & contrast

On white

4.15

#1F9017 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#1F9017 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9017

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9017	#FFFFFF	#000000	##000000
##1F9017	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938200

Deuteranopia (green-blind)

#877927

Tritanopia (blue-blind)

#008B7A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1f9017;
/* rgb */ color: rgb(31, 144, 23);
/* oklch */ color: oklch(57.1% 0.181 142.1);

Tailwind

colors: {
  custom: {
    50: '#70b260',
    500: '#1f9017',
    950: '#000000',
  },
}

SCSS

$custom: #1f9017;
$custom-light: #70b260;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9017",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 23
  },
  "hsl": {
    "h": 116.033,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.57058,
    "c": 0.18087,
    "h": 142.1
  },
  "luminance": 0.203
}

Semantic roles & 50–950 ramp

primary

#1F9017

secondary

#B942C1

accent

#39EFE3

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091105

muted

#7B807A

Preview Lab

Preview with #1F9017

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

Preview Lab → · Contrast checker → · Palette generator →