#1F9040#1F9040

#1F9040 is a mid, vivid green. Relative luminance 0.206; OKLCH L 57.5% C 0.153 H 148.2°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F9040
RGB	rgb(31, 144, 64)
HSL	hsl(138, 65%, 34%)
HSV	hsv(138, 78%, 56%)
CMYK	cmyk(78.5%, 0%, 55.6%, 43.5%)
CIE-LAB	lab(52.52, -48.30, 33.59)
CIE-LCH	lch(52.52, 58.83, 145.18°)
OKLab	oklab(57.45% -0.1298 0.0805)
OKLCH	oklch(57.45% 0.153 148.2)
XYZ	xyz(11.4628, 20.6066, 8.2228)
Luminance	0.2061 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9040 #901F6F

analogous

#37901F #1F9040 #1F9079

triadic

#1F9040 #401F90 #90401F

tetradic

#1F9040 #1F3790 #901F6F #90791F

square

#1F9040 #1F3790 #901F6F #90791F

split-complementary

#1F9040 #791F90 #901F37

monochromatic

#092B13 #145E2A #1F9040 #2AC256 #50D978

Accessibility & contrast

On white

4.10

#1F9040 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#1F9040 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9040

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9040	#FFFFFF	#000000	##000000
##1F9040	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918339

Deuteranopia (green-blind)

#857A46

Tritanopia (blue-blind)

#008D7E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1f9040;
/* rgb */ color: rgb(31, 144, 64);
/* oklch */ color: oklch(57.5% 0.153 148.2);

Tailwind

colors: {
  custom: {
    50: '#6eb277',
    500: '#1f9040',
    950: '#000000',
  },
}

SCSS

$custom: #1f9040;
$custom-light: #6eb277;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9040",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 64
  },
  "hsl": {
    "h": 137.522,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57453,
    "c": 0.15277,
    "h": 148.2
  },
  "luminance": 0.20608
}

Semantic roles & 50–950 ramp

primary

#1F9040

secondary

#BC4E9C

accent

#40B7E8

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081109

muted

#7B807B

Preview Lab

Preview with #1F9040

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

Preview Lab → · Contrast checker → · Palette generator →