#1F663B#1F663B

#1F663B is a mid, moderate green. Relative luminance 0.101; OKLCH L 45.5% C 0.099 H 153.0°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#1F663B
RGB	rgb(31, 102, 59)
HSL	hsl(144, 53%, 26%)
HSV	hsv(144, 70%, 40%)
CMYK	cmyk(69.6%, 0%, 42.2%, 60%)
CIE-LAB	lab(38.04, -32.68, 18.06)
CIE-LCH	lch(38.04, 37.34, 151.07°)
OKLab	oklab(45.47% -0.0883 0.0449)
OKLCH	oklch(45.47% 0.099 153)
XYZ	xyz(6.1053, 10.1092, 5.7663)
Luminance	0.1011 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F663B #661F4A

analogous

#26661F #1F663B #1F665E

triadic

#1F663B #3B1F66 #663B1F

tetradic

#1F663B #1F2666 #661F4A #665E1F

square

#1F663B #1F2666 #661F4A #665E1F

split-complementary

#1F663B #5E1F66 #661F26

monochromatic

#07170E #113720 #1F663B #2D9556 #3CC471

Accessibility & contrast

On white

6.95

#1F663B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#1F663B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F663B

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F663B	#FFFFFF	#000000	##FFFFFF
##1F663B	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D38

Deuteranopia (green-blind)

#5D573E

Tritanopia (blue-blind)

#00655B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1f663b;
/* rgb */ color: rgb(31, 102, 59);
/* oklch */ color: oklch(45.5% 0.099 153.0);

Tailwind

colors: {
  custom: {
    50: '#649271',
    500: '#1f663b',
    950: '#000000',
  },
}

SCSS

$custom: #1f663b;
$custom-light: #649271;
$custom-dark: #000000;

JSON

{
  "hex": "#1f663b",
  "rgb": {
    "r": 31,
    "g": 102,
    "b": 59
  },
  "hsl": {
    "h": 143.662,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.45466,
    "c": 0.09906,
    "h": 153
  },
  "luminance": 0.1011
}

Semantic roles & 50–950 ramp

primary

#1F663B

secondary

#9A4679

accent

#4BA3DD

background

#F6F9F6

surface

#EBF1EC

border

#C6CBC7

text

#060D07

muted

#7A7E7A

Preview Lab

Preview with #1F663B

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

Preview Lab → · Contrast checker → · Palette generator →