#1F9023#1F9023

#1F9023 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.1% C 0.175 H 143.2°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F9023
RGB	rgb(31, 144, 35)
HSL	hsl(122, 65%, 34%)
HSV	hsv(122, 78%, 56%)
CMYK	cmyk(78.5%, 0%, 75.7%, 43.5%)
CIE-LAB	lab(52.24, -51.65, 46.28)
CIE-LCH	lch(52.24, 69.36, 138.14°)
OKLab	oklab(57.13% -0.14 0.1046)
OKLCH	oklch(57.13% 0.175 143.2)
XYZ	xyz(10.8410, 20.3579, 4.9479)
Luminance	0.2036 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9023 #901F8C

analogous

#54901F #1F9023 #1F905C

triadic

#1F9023 #231F90 #90231F

tetradic

#1F9023 #1F5490 #901F8C #905C1F

square

#1F9023 #1F5490 #901F8C #905C1F

split-complementary

#1F9023 #5C1F90 #901F54

monochromatic

#092B0B #145E17 #1F9023 #2AC22F #50D955

Accessibility & contrast

On white

4.14

#1F9023 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#1F9023 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9023

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9023	#FFFFFF	#000000	##000000
##1F9023	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93820E

Deuteranopia (green-blind)

#87792F

Tritanopia (blue-blind)

#008C7B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1f9023;
/* rgb */ color: rgb(31, 144, 35);
/* oklch */ color: oklch(57.1% 0.175 143.2);

Tailwind

colors: {
  custom: {
    50: '#70b266',
    500: '#1f9023',
    950: '#000000',
  },
}

SCSS

$custom: #1f9023;
$custom-light: #70b266;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9023",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 35
  },
  "hsl": {
    "h": 122.124,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57134,
    "c": 0.17479,
    "h": 143.2
  },
  "luminance": 0.20359
}

Semantic roles & 50–950 ramp

primary

#1F9023

secondary

#BC4EB8

accent

#40E2E8

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #1F9023

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

Preview Lab → · Contrast checker → · Palette generator →