#187F3F#187F3F

#187F3F is a mid, vivid green. Relative luminance 0.157; OKLCH L 52.5% C 0.133 H 150.6°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#187F3F
RGB	rgb(24, 127, 63)
HSL	hsl(143, 68%, 30%)
HSV	hsv(143, 81%, 50%)
CMYK	cmyk(81.1%, 0%, 50.4%, 50.2%)
CIE-LAB	lab(46.62, -43.18, 26.82)
CIE-LCH	lch(46.62, 50.83, 148.15°)
OKLab	oklab(52.53% -0.116 0.0654)
OKLCH	oklch(52.53% 0.133 150.6)
XYZ	xyz(8.8625, 15.7307, 7.2709)
Luminance	0.1573 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187F3F #7F1858

analogous

#257F18 #187F3F #187F72

triadic

#187F3F #3F187F #7F3F18

tetradic

#187F3F #18257F #7F1858 #7F7218

square

#187F3F #18257F #7F1858 #7F7218

split-complementary

#187F3F #72187F #7F1825

monochromatic

#051A0D #0E4C25 #187F3F #22B259 #38D975

Accessibility & contrast

On white

5.06

#187F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#187F3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187F3F

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187F3F	#FFFFFF	#000000	##FFFFFF
##187F3F	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#80733A

Deuteranopia (green-blind)

#746B44

Tritanopia (blue-blind)

#007D70

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #187f3f;
/* rgb */ color: rgb(24, 127, 63);
/* oklch */ color: oklch(52.5% 0.133 150.6);

Tailwind

colors: {
  custom: {
    50: '#68a575',
    500: '#187f3f',
    950: '#000000',
  },
}

SCSS

$custom: #187f3f;
$custom-light: #68a575;
$custom-dark: #000000;

JSON

{
  "hex": "#187f3f",
  "rgb": {
    "r": 24,
    "g": 127,
    "b": 63
  },
  "hsl": {
    "h": 142.718,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.52531,
    "c": 0.13312,
    "h": 150.6
  },
  "luminance": 0.15732
}

Semantic roles & 50–950 ramp

primary

#187F3F

secondary

#B33F87

accent

#3DA9EB

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #187F3F

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

Preview Lab → · Contrast checker → · Palette generator →