#28B04E#28B04E

#28B04E is a light, vivid green. Relative luminance 0.321; OKLCH L 66.6% C 0.179 H 147.8°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#28B04E
RGB	rgb(40, 176, 78)
HSL	hsl(137, 63%, 42%)
HSV	hsv(137, 77%, 69%)
CMYK	cmyk(77.3%, 0%, 55.7%, 31%)
CIE-LAB	lab(63.38, -56.25, 39.78)
CIE-LCH	lch(63.38, 68.89, 144.73°)
OKLab	oklab(66.56% -0.1512 0.0951)
OKLCH	oklch(66.56% 0.179 147.8)
XYZ	xyz(17.7742, 32.0497, 12.4557)
Luminance	0.3205 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B04E #B0288A

analogous

#46B028 #28B04E #28B092

triadic

#28B04E #4E28B0 #B04E28

tetradic

#28B04E #2846B0 #B0288A #B09228

square

#28B04E #2846B0 #B0288A #B09228

split-complementary

#28B04E #9228B0 #B02846

monochromatic

#114C22 #1D7E38 #28B04E #41D46A #73DF91

Accessibility & contrast

On white

2.83

#28B04E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.41

#28B04E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B04E

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B04E	#FFFFFF	#000000	##000000
##28B04E	1.00	2.83	7.41	7.41
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.41	21.00	1.00	1.00
##000000	7.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A045

Deuteranopia (green-blind)

#A39556

Tritanopia (blue-blind)

#00AC9A

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #28b04e;
/* rgb */ color: rgb(40, 176, 78);
/* oklch */ color: oklch(66.6% 0.179 147.8);

Tailwind

colors: {
  custom: {
    50: '#78c982',
    500: '#28b04e',
    950: '#000000',
  },
}

SCSS

$custom: #28b04e;
$custom-light: #78c982;
$custom-dark: #000000;

JSON

{
  "hex": "#28b04e",
  "rgb": {
    "r": 40,
    "g": 176,
    "b": 78
  },
  "hsl": {
    "h": 136.765,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.66559,
    "c": 0.17864,
    "h": 147.8
  },
  "luminance": 0.32052
}

Semantic roles & 50–950 ramp

primary

#28B04E

secondary

#C66DAE

accent

#42B8E6

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0A130B

muted

#7C827C

Preview Lab

Preview with #28B04E

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

Preview Lab → · Contrast checker → · Palette generator →