#1F834B#1F834B

#1F834B is a mid, vivid green. Relative luminance 0.170; OKLCH L 54.0% C 0.125 H 153.6°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#1F834B
RGB	rgb(31, 131, 75)
HSL	hsl(146, 62%, 32%)
HSV	hsv(146, 76%, 51%)
CMYK	cmyk(76.3%, 0%, 42.7%, 48.6%)
CIE-LAB	lab(48.30, -41.50, 22.41)
CIE-LCH	lch(48.30, 47.16, 151.63°)
OKLab	oklab(54.02% -0.1118 0.0556)
OKLCH	oklch(54.02% 0.125 153.6)
XYZ	xyz(9.9505, 17.0307, 9.4181)
Luminance	0.1703 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F834B #831F57

analogous

#25831F #1F834B #1F837D

triadic

#1F834B #4B1F83 #834B1F

tetradic

#1F834B #1F2583 #831F57 #837D1F

square

#1F834B #1F2583 #831F57 #837D1F

split-complementary

#1F834B #7D1F83 #831F25

monochromatic

#082012 #13522F #1F834B #2BB467 #49D486

Accessibility & contrast

On white

4.77

#1F834B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#1F834B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F834B

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F834B	#FFFFFF	#000000	##FFFFFF
##1F834B	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837847

Deuteranopia (green-blind)

#776F4F

Tritanopia (blue-blind)

#008175

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1f834b;
/* rgb */ color: rgb(31, 131, 75);
/* oklch */ color: oklch(54.0% 0.125 153.6);

Tailwind

colors: {
  custom: {
    50: '#6ba87e',
    500: '#1f834b',
    950: '#000000',
  },
}

SCSS

$custom: #1f834b;
$custom-light: #6ba87e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f834b",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 75
  },
  "hsl": {
    "h": 146.4,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54018,
    "c": 0.12485,
    "h": 153.6
  },
  "luminance": 0.17032
}

Semantic roles & 50–950 ramp

primary

#1F834B

secondary

#B64885

accent

#439EE5

background

#F6FAF7

surface

#ECF4EE

border

#C7CEC9

text

#07100A

muted

#7A7F7C

Preview Lab

Preview with #1F834B

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

Preview Lab → · Contrast checker → · Palette generator →