#1F9F2B#1F9F2B

#1F9F2B is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.4% C 0.187 H 143.9°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#1F9F2B
RGB	rgb(31, 159, 43)
HSL	hsl(126, 67%, 37%)
HSV	hsv(126, 81%, 62%)
CMYK	cmyk(80.5%, 0%, 73%, 37.6%)
CIE-LAB	lab(57.33, -55.85, 48.45)
CIE-LCH	lch(57.33, 73.93, 139.06°)
OKLab	oklab(61.38% -0.1511 0.1102)
OKLCH	oklch(61.38% 0.187 143.9)
XYZ	xyz(13.3984, 25.2604, 6.4546)
Luminance	0.2526 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9F2B #9F1F93

analogous

#539F1F #1F9F2B #1F9F6B

triadic

#1F9F2B #2B1F9F #9F2B1F

tetradic

#1F9F2B #1F539F #9F1F93 #9F6B1F

square

#1F9F2B #1F539F #9F1F93 #9F6B1F

split-complementary

#1F9F2B #6B1F9F #9F1F53

monochromatic

#0B390F #156C1D #1F9F2B #29D239 #5ADF66

Accessibility & contrast

On white

3.47

#1F9F2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#1F9F2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9F2B

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9F2B	#FFFFFF	#000000	##000000
##1F9F2B	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F17

Deuteranopia (green-blind)

#948637

Tritanopia (blue-blind)

#009A88

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1f9f2b;
/* rgb */ color: rgb(31, 159, 43);
/* oklch */ color: oklch(61.4% 0.187 143.9);

Tailwind

colors: {
  custom: {
    50: '#73bd6b',
    500: '#1f9f2b',
    950: '#000000',
  },
}

SCSS

$custom: #1f9f2b;
$custom-light: #73bd6b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9f2b",
  "rgb": {
    "r": 31,
    "g": 159,
    "b": 43
  },
  "hsl": {
    "h": 125.625,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.61383,
    "c": 0.18698,
    "h": 143.9
  },
  "luminance": 0.25262
}

Semantic roles & 50–950 ramp

primary

#1F9F2B

secondary

#C357B9

accent

#3EDAEA

background

#F7FBF6

surface

#EEF7EC

border

#C9D0C7

text

#0A1207

muted

#7C817A

Preview Lab

Preview with #1F9F2B

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

Preview Lab → · Contrast checker → · Palette generator →