#1F9018#1F9018

#1F9018 is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.1% C 0.180 H 142.2°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#1F9018
RGB	rgb(31, 144, 24)
HSL	hsl(117, 71%, 33%)
HSV	hsv(117, 83%, 56%)
CMYK	cmyk(78.5%, 0%, 83.3%, 43.5%)
CIE-LAB	lab(52.18, -52.42, 49.87)
CIE-LCH	lch(52.18, 72.36, 136.43°)
OKLab	oklab(57.06% -0.1426 0.1106)
OKLCH	oklch(57.06% 0.18 142.2)
XYZ	xyz(10.7026, 20.3025, 4.2187)
Luminance	0.2030 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9018 #891890

analogous

#5B9018 #1F9018 #18904D

triadic

#1F9018 #181F90 #90181F

tetradic

#1F9018 #185B90 #891890 #904D18

square

#1F9018 #185B90 #891890 #904D18

split-complementary

#1F9018 #4D1890 #90185B

monochromatic

#082707 #145C0F #1F9018 #2AC421 #4CE043

Accessibility & contrast

On white

4.15

#1F9018 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#1F9018 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9018

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9018	#FFFFFF	#000000	##000000
##1F9018	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: #1f9018;
/* rgb */ color: rgb(31, 144, 24);
/* oklch */ color: oklch(57.1% 0.180 142.2);

Tailwind

colors: {
  custom: {
    50: '#70b261',
    500: '#1f9018',
    950: '#000000',
  },
}

SCSS

$custom: #1f9018;
$custom-light: #70b261;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9018",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 24
  },
  "hsl": {
    "h": 116.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.57063,
    "c": 0.18044,
    "h": 142.2
  },
  "luminance": 0.20304
}

Semantic roles & 50–950 ramp

primary

#1F9018

secondary

#B943C0

accent

#3AEEE4

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091105

muted

#7B807A

Preview Lab

Preview with #1F9018

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

Preview Lab → · Contrast checker → · Palette generator →