#188A21#188A21

#188A21 is a mid, vivid green. Relative luminance 0.185; OKLCH L 55.3% C 0.171 H 143.6°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#188A21
RGB	rgb(24, 138, 33)
HSL	hsl(125, 70%, 32%)
HSV	hsv(125, 83%, 54%)
CMYK	cmyk(82.6%, 0%, 76.1%, 45.9%)
CIE-LAB	lab(50.07, -50.83, 44.81)
CIE-LCH	lch(50.07, 67.76, 138.60°)
OKLab	oklab(55.3% -0.1375 0.1013)
OKLCH	oklch(55.3% 0.171 143.6)
XYZ	xyz(9.7390, 18.4798, 4.4922)
Luminance	0.1848 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188A21 #8A1881

analogous

#488A18 #188A21 #188A5A

triadic

#188A21 #21188A #8A2118

tetradic

#188A21 #18488A #8A1881 #8A5A18

square

#188A21 #18488A #8A1881 #8A5A18

split-complementary

#188A21 #5A188A #8A1848

monochromatic

#062208 #0F5615 #188A21 #21BE2D #3FDE4B

Accessibility & contrast

On white

4.47

#188A21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#188A21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188A21

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188A21	#FFFFFF	#000000	##000000
##188A21	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C0C

Deuteranopia (green-blind)

#81742C

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #188a21;
/* rgb */ color: rgb(24, 138, 33);
/* oklch */ color: oklch(55.3% 0.171 143.6);

Tailwind

colors: {
  custom: {
    50: '#6cad64',
    500: '#188a21',
    950: '#000000',
  },
}

SCSS

$custom: #188a21;
$custom-light: #6cad64;
$custom-dark: #000000;

JSON

{
  "hex": "#188a21",
  "rgb": {
    "r": 24,
    "g": 138,
    "b": 33
  },
  "hsl": {
    "h": 124.737,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55296,
    "c": 0.17083,
    "h": 143.6
  },
  "luminance": 0.18481
}

Semantic roles & 50–950 ramp

primary

#188A21

secondary

#BD40B4

accent

#3BDFED

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #188A21

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

Preview Lab → · Contrast checker → · Palette generator →