#128F21#128F21

#128F21 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.6% C 0.178 H 143.9°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#128F21
RGB	rgb(18, 143, 33)
HSL	hsl(127, 78%, 32%)
HSV	hsv(127, 87%, 56%)
CMYK	cmyk(87.4%, 0%, 76.9%, 43.9%)
CIE-LAB	lab(51.70, -53.09, 46.42)
CIE-LCH	lch(51.70, 70.52, 138.84°)
OKLab	oklab(56.63% -0.1435 0.1047)
OKLCH	oklch(56.63% 0.178 143.9)
XYZ	xyz(10.3457, 19.8820, 4.7309)
Luminance	0.1988 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128F21 #8F1280

analogous

#428F12 #128F21 #128F60

triadic

#128F21 #21128F #8F2112

tetradic

#128F21 #12428F #8F1280 #8F6012

square

#128F21 #12428F #8F1280 #8F6012

split-complementary

#128F21 #60128F #8F1242

monochromatic

#042208 #0B5914 #128F21 #19C52E #36E64B

Accessibility & contrast

On white

4.22

#128F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#128F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128F21

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128F21	#FFFFFF	#000000	##000000
##128F21	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928109

Deuteranopia (green-blind)

#85782D

Tritanopia (blue-blind)

#008B7A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #128f21;
/* rgb */ color: rgb(18, 143, 33);
/* oklch */ color: oklch(56.6% 0.178 143.9);

Tailwind

colors: {
  custom: {
    50: '#6cb164',
    500: '#128f21',
    950: '#000000',
  },
}

SCSS

$custom: #128f21;
$custom-light: #6cb164;
$custom-dark: #000000;

JSON

{
  "hex": "#128f21",
  "rgb": {
    "r": 18,
    "g": 143,
    "b": 33
  },
  "hsl": {
    "h": 127.2,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56631,
    "c": 0.17763,
    "h": 143.9
  },
  "luminance": 0.19883
}

Semantic roles & 50–950 ramp

primary

#128F21

secondary

#C33AB3

accent

#34DDF4

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081106

muted

#7B807A

Preview Lab

Preview with #128F21

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

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