#1F9D2B#1F9D2B

#1F9D2B is a mid, vivid green. Relative luminance 0.246; OKLCH L 60.8% C 0.185 H 143.9°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#1F9D2B
RGB	rgb(31, 157, 43)
HSL	hsl(126, 67%, 37%)
HSV	hsv(126, 80%, 62%)
CMYK	cmyk(80.3%, 0%, 72.6%, 38.4%)
CIE-LAB	lab(56.66, -55.21, 47.76)
CIE-LCH	lch(56.66, 73.00, 139.14°)
OKLab	oklab(60.83% -0.1493 0.1088)
OKLCH	oklch(60.83% 0.185 143.9)
XYZ	xyz(13.0572, 24.5781, 6.3409)
Luminance	0.2458 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9D2B #9D1F91

analogous

#529D1F #1F9D2B #1F9D6A

triadic

#1F9D2B #2B1F9D #9D2B1F

tetradic

#1F9D2B #1F529D #9D1F91 #9D6A1F

square

#1F9D2B #1F529D #9D1F91 #9D6A1F

split-complementary

#1F9D2B #6A1F9D #9D1F52

monochromatic

#0B370F #156A1D #1F9D2B #29D039 #58DE65

Accessibility & contrast

On white

3.55

#1F9D2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#1F9D2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9D2B

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9D2B	#FFFFFF	#000000	##000000
##1F9D2B	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08E18

Deuteranopia (green-blind)

#938437

Tritanopia (blue-blind)

#009987

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #1f9d2b;
/* rgb */ color: rgb(31, 157, 43);
/* oklch */ color: oklch(60.8% 0.185 143.9);

Tailwind

colors: {
  custom: {
    50: '#73bb6b',
    500: '#1f9d2b',
    950: '#000000',
  },
}

SCSS

$custom: #1f9d2b;
$custom-light: #73bb6b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9d2b",
  "rgb": {
    "r": 31,
    "g": 157,
    "b": 43
  },
  "hsl": {
    "h": 125.714,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.60829,
    "c": 0.18472,
    "h": 143.9
  },
  "luminance": 0.2458
}

Semantic roles & 50–950 ramp

primary

#1F9D2B

secondary

#C256B8

accent

#3EDAEA

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1F9D2B

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

Preview Lab → · Contrast checker → · Palette generator →