#128F4C#128F4C

#128F4C is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.2% C 0.143 H 152.6°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#128F4C
RGB	rgb(18, 143, 76)
HSL	hsl(148, 78%, 32%)
HSV	hsv(148, 87%, 56%)
CMYK	cmyk(87.4%, 0%, 46.9%, 43.9%)
CIE-LAB	lab(52.17, -47.42, 26.84)
CIE-LCH	lch(52.17, 54.49, 150.50°)
OKLab	oklab(57.17% -0.1272 0.0659)
OKLCH	oklch(57.17% 0.143 152.6)
XYZ	xyz(11.3753, 20.2939, 10.1537)
Luminance	0.2029 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128F4C #8F1255

analogous

#178F12 #128F4C #128F8B

triadic

#128F4C #4C128F #8F4C12

tetradic

#128F4C #12178F #8F1255 #8F8B12

square

#128F4C #12178F #8F1255 #8F8B12

split-complementary

#128F4C #8B128F #8F1217

monochromatic

#042212 #0B592F #128F4C #19C569 #36E687

Accessibility & contrast

On white

4.15

#128F4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#128F4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128F4C

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128F4C	#FFFFFF	#000000	##000000
##128F4C	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8247

Deuteranopia (green-blind)

#827951

Tritanopia (blue-blind)

#008D7F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #128f4c;
/* rgb */ color: rgb(18, 143, 76);
/* oklch */ color: oklch(57.2% 0.143 152.6);

Tailwind

colors: {
  custom: {
    50: '#6ab17f',
    500: '#128f4c',
    950: '#000000',
  },
}

SCSS

$custom: #128f4c;
$custom-light: #6ab17f;
$custom-dark: #000000;

JSON

{
  "hex": "#128f4c",
  "rgb": {
    "r": 18,
    "g": 143,
    "b": 76
  },
  "hsl": {
    "h": 147.84,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.57167,
    "c": 0.14331,
    "h": 152.6
  },
  "luminance": 0.20295
}

Semantic roles & 50–950 ramp

primary

#128F4C

secondary

#C33A83

accent

#349BF4

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #128F4C

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

Preview Lab → · Contrast checker → · Palette generator →