#1F9F40#1F9F40

#1F9F40 is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.6% C 0.172 H 147.0°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F9F40
RGB	rgb(31, 159, 64)
HSL	hsl(135, 67%, 37%)
HSV	hsv(135, 81%, 62%)
CMYK	cmyk(80.5%, 0%, 59.7%, 37.6%)
CIE-LAB	lab(57.52, -53.53, 39.53)
CIE-LCH	lch(57.52, 66.55, 143.56°)
OKLab	oklab(61.6% -0.144 0.0935)
OKLCH	oklch(61.6% 0.172 147)
XYZ	xyz(13.8876, 25.4561, 9.0311)
Luminance	0.2546 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9F40 #9F1F7E

analogous

#3E9F1F #1F9F40 #1F9F80

triadic

#1F9F40 #401F9F #9F401F

tetradic

#1F9F40 #1F3E9F #9F1F7E #9F801F

square

#1F9F40 #1F3E9F #9F1F7E #9F801F

split-complementary

#1F9F40 #801F9F #9F1F3E

monochromatic

#0B3917 #156C2B #1F9F40 #29D255 #5ADF7C

Accessibility & contrast

On white

3.45

#1F9F40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#1F9F40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9F40

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9F40	#FFFFFF	#000000	##000000
##1F9F40	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A19036

Deuteranopia (green-blind)

#938648

Tritanopia (blue-blind)

#009B8A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1f9f40;
/* rgb */ color: rgb(31, 159, 64);
/* oklch */ color: oklch(61.6% 0.172 147.0);

Tailwind

colors: {
  custom: {
    50: '#72bd78',
    500: '#1f9f40',
    950: '#000000',
  },
}

SCSS

$custom: #1f9f40;
$custom-light: #72bd78;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9f40",
  "rgb": {
    "r": 31,
    "g": 159,
    "b": 64
  },
  "hsl": {
    "h": 135.469,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.61601,
    "c": 0.17167,
    "h": 147
  },
  "luminance": 0.25458
}

Semantic roles & 50–950 ramp

primary

#1F9F40

secondary

#C357A7

accent

#3EBEEA

background

#F7FBF7

surface

#EEF7ED

border

#C9D0C8

text

#091209

muted

#7B817B

Preview Lab

Preview with #1F9F40

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

Preview Lab → · Contrast checker → · Palette generator →