#128E1F#128E1F

#128E1F is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.3% C 0.178 H 143.7°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#128E1F
RGB	rgb(18, 142, 31)
HSL	hsl(126, 78%, 31%)
HSV	hsv(126, 87%, 56%)
CMYK	cmyk(87.3%, 0%, 78.2%, 44.3%)
CIE-LAB	lab(51.35, -52.94, 46.78)
CIE-LCH	lch(51.35, 70.64, 138.53°)
OKLab	oklab(56.33% -0.1432 0.1052)
OKLCH	oklch(56.33% 0.178 143.7)
XYZ	xyz(10.1691, 19.5722, 4.5379)
Luminance	0.1957 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128E1F #8E1281

analogous

#438E12 #128E1F #128E5D

triadic

#128E1F #1F128E #8E1F12

tetradic

#128E1F #12438E #8E1281 #8E5D12

square

#128E1F #12438E #8E1281 #8E5D12

split-complementary

#128E1F #5D128E #8E1243

monochromatic

#042107 #0B5813 #128E1F #19C42B #35E547

Accessibility & contrast

On white

4.27

#128E1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#128E1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128E1F

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128E1F	#FFFFFF	#000000	##000000
##128E1F	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918005

Deuteranopia (green-blind)

#84772C

Tritanopia (blue-blind)

#008A79

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #128e1f;
/* rgb */ color: rgb(18, 142, 31);
/* oklch */ color: oklch(56.3% 0.178 143.7);

Tailwind

colors: {
  custom: {
    50: '#6cb063',
    500: '#128e1f',
    950: '#000000',
  },
}

SCSS

$custom: #128e1f;
$custom-light: #6cb063;
$custom-dark: #000000;

JSON

{
  "hex": "#128e1f",
  "rgb": {
    "r": 18,
    "g": 142,
    "b": 31
  },
  "hsl": {
    "h": 126.29,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.56333,
    "c": 0.17764,
    "h": 143.7
  },
  "luminance": 0.19574
}

Semantic roles & 50–950 ramp

primary

#128E1F

secondary

#C23AB4

accent

#34E0F4

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081106

muted

#7B807A

Preview Lab

Preview with #128E1F

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

Preview Lab → · Contrast checker → · Palette generator →