#187E40#187E40

#187E40 is a mid, vivid green. Relative luminance 0.155; OKLCH L 52.3% C 0.131 H 151.1°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#187E40
RGB	rgb(24, 126, 64)
HSL	hsl(144, 68%, 29%)
HSV	hsv(144, 81%, 49%)
CMYK	cmyk(81%, 0%, 49.2%, 50.6%)
CIE-LAB	lab(46.29, -42.63, 25.87)
CIE-LCH	lch(46.29, 49.86, 148.75°)
OKLab	oklab(52.26% -0.1145 0.0632)
OKLCH	oklch(52.26% 0.131 151.1)
XYZ	xyz(8.7622, 15.4850, 7.3766)
Luminance	0.1549 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187E40 #7E1856

analogous

#237E18 #187E40 #187E73

triadic

#187E40 #40187E #7E4018

tetradic

#187E40 #18237E #7E1856 #7E7318

square

#187E40 #18237E #7E1856 #7E7318

split-complementary

#187E40 #73187E #7E1823

monochromatic

#051A0D #0E4B26 #187E40 #22B15A #37D977

Accessibility & contrast

On white

5.13

#187E40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#187E40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187E40

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187E40	#FFFFFF	#000000	##FFFFFF
##187E40	1.00	5.13	4.10	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F733B

Deuteranopia (green-blind)

#736A44

Tritanopia (blue-blind)

#007C6F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #187e40;
/* rgb */ color: rgb(24, 126, 64);
/* oklch */ color: oklch(52.3% 0.131 151.1);

Tailwind

colors: {
  custom: {
    50: '#68a476',
    500: '#187e40',
    950: '#000000',
  },
}

SCSS

$custom: #187e40;
$custom-light: #68a476;
$custom-dark: #000000;

JSON

{
  "hex": "#187e40",
  "rgb": {
    "r": 24,
    "g": 126,
    "b": 64
  },
  "hsl": {
    "h": 143.529,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.52264,
    "c": 0.13079,
    "h": 151.1
  },
  "luminance": 0.15486
}

Semantic roles & 50–950 ramp

primary

#187E40

secondary

#B23F85

accent

#3DA7EB

background

#F6FAF7

surface

#EBF4ED

border

#C6CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #187E40

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

Preview Lab → · Contrast checker → · Palette generator →