#128A21#128A21

#128A21 is a mid, vivid green. Relative luminance 0.184; OKLCH L 55.2% C 0.172 H 144.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#128A21
RGB	rgb(18, 138, 33)
HSL	hsl(128, 77%, 31%)
HSV	hsv(128, 87%, 54%)
CMYK	cmyk(87%, 0%, 76.1%, 45.9%)
CIE-LAB	lab(49.99, -51.51, 44.71)
CIE-LCH	lch(49.99, 68.21, 139.05°)
OKLab	oklab(55.21% -0.1392 0.1011)
OKLCH	oklch(55.21% 0.172 144)
XYZ	xyz(9.6118, 18.4142, 4.4863)
Luminance	0.1842 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128A21 #8A127B

analogous

#3F8A12 #128A21 #128A5D

triadic

#128A21 #21128A #8A2112

tetradic

#128A21 #123F8A #8A127B #8A5D12

square

#128A21 #123F8A #8A127B #8A5D12

split-complementary

#128A21 #5D128A #8A123F

monochromatic

#041E07 #0B5414 #128A21 #19C02E #32E448

Accessibility & contrast

On white

4.48

#128A21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#128A21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128A21

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128A21	#FFFFFF	#000000	##000000
##128A21	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C0C

Deuteranopia (green-blind)

#80742C

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #128a21;
/* rgb */ color: rgb(18, 138, 33);
/* oklch */ color: oklch(55.2% 0.172 144.0);

Tailwind

colors: {
  custom: {
    50: '#6bad64',
    500: '#128a21',
    950: '#000000',
  },
}

SCSS

$custom: #128a21;
$custom-light: #6bad64;
$custom-dark: #000000;

JSON

{
  "hex": "#128a21",
  "rgb": {
    "r": 18,
    "g": 138,
    "b": 33
  },
  "hsl": {
    "h": 127.5,
    "s": 76.923,
    "l": 30.588
  },
  "oklch": {
    "l": 0.55208,
    "c": 0.17204,
    "h": 144
  },
  "luminance": 0.18415
}

Semantic roles & 50–950 ramp

primary

#128A21

secondary

#BF39AE

accent

#34DCF3

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #128A21

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

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