#28B548#28B548

#28B548 is a light, vivid green. Relative luminance 0.340; OKLCH L 67.8% C 0.190 H 146.5°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#28B548
RGB	rgb(40, 181, 72)
HSL	hsl(134, 64%, 43%)
HSV	hsv(134, 78%, 71%)
CMYK	cmyk(77.9%, 0%, 60.2%, 29%)
CIE-LAB	lab(64.93, -58.74, 44.44)
CIE-LCH	lch(64.93, 73.65, 142.89°)
OKLab	oklab(67.82% -0.1581 0.1048)
OKLCH	oklch(67.82% 0.19 146.5)
XYZ	xyz(18.5673, 33.9645, 11.7069)
Luminance	0.3397 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B548 #B52895

analogous

#4EB528 #28B548 #28B58E

triadic

#28B548 #4828B5 #B54828

tetradic

#28B548 #284EB5 #B52895 #B58E28

square

#28B548 #284EB5 #B52895 #B58E28

split-complementary

#28B548 #8E28B5 #B5284E

monochromatic

#125120 #1D8334 #28B548 #44D665 #77E18F

Accessibility & contrast

On white

2.69

#28B548 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#28B548 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B548

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B548	#FFFFFF	#000000	##000000
##28B548	1.00	2.69	7.79	7.79
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.79	21.00	1.00	1.00
##000000	7.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A43C

Deuteranopia (green-blind)

#A89951

Tritanopia (blue-blind)

#00B19D

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #28b548;
/* rgb */ color: rgb(40, 181, 72);
/* oklch */ color: oklch(67.8% 0.190 146.5);

Tailwind

colors: {
  custom: {
    50: '#7acc7e',
    500: '#28b548',
    950: '#000000',
  },
}

SCSS

$custom: #28b548;
$custom-light: #7acc7e;
$custom-dark: #000000;

JSON

{
  "hex": "#28b548",
  "rgb": {
    "r": 40,
    "g": 181,
    "b": 72
  },
  "hsl": {
    "h": 133.617,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.67823,
    "c": 0.18968,
    "h": 146.5
  },
  "luminance": 0.33967
}

Semantic roles & 50–950 ramp

primary

#28B548

secondary

#C870B4

accent

#41C1E7

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B140A

muted

#7C827C

Preview Lab

Preview with #28B548

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

Preview Lab → · Contrast checker → · Palette generator →