#128E23#128E23

#128E23 is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.4% C 0.175 H 144.1°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#128E23
RGB	rgb(18, 142, 35)
HSL	hsl(128, 78%, 31%)
HSV	hsv(128, 87%, 56%)
CMYK	cmyk(87.3%, 0%, 75.4%, 44.3%)
CIE-LAB	lab(51.38, -52.61, 45.35)
CIE-LCH	lch(51.38, 69.46, 139.24°)
OKLab	oklab(56.36% -0.1421 0.1027)
OKLCH	oklch(56.36% 0.175 144.1)
XYZ	xyz(10.2251, 19.5947, 4.8330)
Luminance	0.1960 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128E23 #8E127D

analogous

#3F8E12 #128E23 #128E61

triadic

#128E23 #23128E #8E2312

tetradic

#128E23 #123F8E #8E127D #8E6112

square

#128E23 #123F8E #8E127D #8E6112

split-complementary

#128E23 #61128E #8E123F

monochromatic

#042108 #0B5816 #128E23 #19C430 #35E54D

Accessibility & contrast

On white

4.27

#128E23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#128E23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128E23

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128E23	#FFFFFF	#000000	##000000
##128E23	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91800F

Deuteranopia (green-blind)

#84772E

Tritanopia (blue-blind)

#008A79

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #128e23;
/* rgb */ color: rgb(18, 142, 35);
/* oklch */ color: oklch(56.4% 0.175 144.1);

Tailwind

colors: {
  custom: {
    50: '#6cb065',
    500: '#128e23',
    950: '#000000',
  },
}

SCSS

$custom: #128e23;
$custom-light: #6cb065;
$custom-dark: #000000;

JSON

{
  "hex": "#128e23",
  "rgb": {
    "r": 18,
    "g": 142,
    "b": 35
  },
  "hsl": {
    "h": 128.226,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.56363,
    "c": 0.17536,
    "h": 144.1
  },
  "luminance": 0.19596
}

Semantic roles & 50–950 ramp

primary

#128E23

secondary

#C23AAF

accent

#34DAF4

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081106

muted

#7B807A

Preview Lab

Preview with #128E23

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

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