#178F51#178F51

#178F51 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.3% C 0.138 H 154.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#178F51
RGB	rgb(23, 143, 81)
HSL	hsl(149, 72%, 33%)
HSV	hsv(149, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 43.4%, 43.9%)
CIE-LAB	lab(52.31, -45.99, 24.32)
CIE-LCH	lch(52.31, 52.02, 152.13°)
OKLab	oklab(57.33% -0.1236 0.0602)
OKLCH	oklch(57.33% 0.138 154)
XYZ	xyz(11.6599, 20.4197, 11.1099)
Luminance	0.2042 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F51 #8F1755

analogous

#198F17 #178F51 #178F8D

triadic

#178F51 #51178F #8F5117

tetradic

#178F51 #17198F #8F1755 #8F8D17

square

#178F51 #17198F #8F1755 #8F8D17

split-complementary

#178F51 #8D178F #8F1719

monochromatic

#062615 #0F5A33 #178F51 #1FC46F #40E08E

Accessibility & contrast

On white

4.13

#178F51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#178F51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F51

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F51	#FFFFFF	#000000	##000000
##178F51	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F834D

Deuteranopia (green-blind)

#817955

Tritanopia (blue-blind)

#008D80

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #178f51;
/* rgb */ color: rgb(23, 143, 81);
/* oklch */ color: oklch(57.3% 0.138 154.0);

Tailwind

colors: {
  custom: {
    50: '#6bb182',
    500: '#178f51',
    950: '#000000',
  },
}

SCSS

$custom: #178f51;
$custom-light: #6bb182;
$custom-dark: #000000;

JSON

{
  "hex": "#178f51",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 81
  },
  "hsl": {
    "h": 149,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57327,
    "c": 0.13754,
    "h": 154
  },
  "luminance": 0.20421
}

Semantic roles & 50–950 ramp

primary

#178F51

secondary

#C14183

accent

#3997EF

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#08110A

muted

#7B807C

Preview Lab

Preview with #178F51

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

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