#1F9F23#1F9F23

#1F9F23 is a mid, vivid green. Relative luminance 0.252; OKLCH L 61.3% C 0.192 H 143.1°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#1F9F23
RGB	rgb(31, 159, 35)
HSL	hsl(122, 67%, 37%)
HSV	hsv(122, 81%, 62%)
CMYK	cmyk(80.5%, 0%, 78%, 37.6%)
CIE-LAB	lab(57.28, -56.49, 51.28)
CIE-LCH	lch(57.28, 76.29, 137.77°)
OKLab	oklab(61.32% -0.1531 0.115)
OKLCH	oklch(61.32% 0.192 143.1)
XYZ	xyz(13.2657, 25.2073, 5.7561)
Luminance	0.2521 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9F23 #9F1F9B

analogous

#5B9F1F #1F9F23 #1F9F63

triadic

#1F9F23 #231F9F #9F231F

tetradic

#1F9F23 #1F5B9F #9F1F9B #9F631F

square

#1F9F23 #1F5B9F #9F1F9B #9F631F

split-complementary

#1F9F23 #631F9F #9F1F5B

monochromatic

#0B390C #156C18 #1F9F23 #29D22E #5ADF5E

Accessibility & contrast

On white

3.48

#1F9F23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#1F9F23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9F23

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9F23	#FFFFFF	#000000	##000000
##1F9F23	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F03

Deuteranopia (green-blind)

#958631

Tritanopia (blue-blind)

#009A88

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1f9f23;
/* rgb */ color: rgb(31, 159, 35);
/* oklch */ color: oklch(61.3% 0.192 143.1);

Tailwind

colors: {
  custom: {
    50: '#73bd68',
    500: '#1f9f23',
    950: '#000000',
  },
}

SCSS

$custom: #1f9f23;
$custom-light: #73bd68;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9f23",
  "rgb": {
    "r": 31,
    "g": 159,
    "b": 35
  },
  "hsl": {
    "h": 121.875,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.61324,
    "c": 0.19154,
    "h": 143.1
  },
  "luminance": 0.25209
}

Semantic roles & 50–950 ramp

primary

#1F9F23

secondary

#C357BF

accent

#3EE5EA

background

#F7FBF6

surface

#EEF7EB

border

#C9D0C6

text

#0A1207

muted

#7C817A

Preview Lab

Preview with #1F9F23

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

Preview Lab → · Contrast checker → · Palette generator →