#197B40#197B40

#197B40 is a mid, vivid green. Relative luminance 0.147; OKLCH L 51.4% C 0.126 H 151.5°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#197B40
RGB	rgb(25, 123, 64)
HSL	hsl(144, 66%, 29%)
HSV	hsv(144, 80%, 48%)
CMYK	cmyk(79.7%, 0%, 48%, 51.8%)
CIE-LAB	lab(45.28, -41.34, 24.58)
CIE-LCH	lch(45.28, 48.10, 149.26°)
OKLab	oklab(51.43% -0.1111 0.0603)
OKLCH	oklch(51.43% 0.126 151.5)
XYZ	xyz(8.4085, 14.7418, 7.2518)
Luminance	0.1474 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#197B40 #7B1954

analogous

#237B19 #197B40 #197B71

triadic

#197B40 #40197B #7B4019

tetradic

#197B40 #19237B #7B1954 #7B7119

square

#197B40 #19237B #7B1954 #7B7119

split-complementary

#197B40 #71197B #7B1923

monochromatic

#05190D #0F4826 #197B40 #23AE5A #38D777

Accessibility & contrast

On white

5.32

#197B40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#197B40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #197B40

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##197B40	#FFFFFF	#000000	##FFFFFF
##197B40	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B703B

Deuteranopia (green-blind)

#706844

Tritanopia (blue-blind)

#00796D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #197b40;
/* rgb */ color: rgb(25, 123, 64);
/* oklch */ color: oklch(51.4% 0.126 151.5);

Tailwind

colors: {
  custom: {
    50: '#67a276',
    500: '#197b40',
    950: '#000000',
  },
}

SCSS

$custom: #197b40;
$custom-light: #67a276;
$custom-dark: #000000;

JSON

{
  "hex": "#197b40",
  "rgb": {
    "r": 25,
    "g": 123,
    "b": 64
  },
  "hsl": {
    "h": 143.878,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.51431,
    "c": 0.12641,
    "h": 151.5
  },
  "luminance": 0.14743
}

Semantic roles & 50–950 ramp

primary

#197B40

secondary

#AF4083

accent

#3FA5E9

background

#F6FAF7

surface

#EBF4ED

border

#C6CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #197B40

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

Preview Lab → · Contrast checker → · Palette generator →