#28AE40#28AE40

#28AE40 is a light, vivid green. Relative luminance 0.311; OKLCH L 65.8% C 0.188 H 145.6°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#28AE40
RGB	rgb(40, 174, 64)
HSL	hsl(131, 63%, 42%)
HSV	hsv(131, 77%, 68%)
CMYK	cmyk(77%, 0%, 63.2%, 31.8%)
CIE-LAB	lab(62.58, -57.37, 45.38)
CIE-LCH	lch(62.58, 73.15, 141.66°)
OKLab	oklab(65.85% -0.1547 0.1061)
OKLCH	oklch(65.85% 0.188 145.6)
XYZ	xyz(16.9353, 31.0914, 9.9582)
Luminance	0.3109 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28AE40 #AE2896

analogous

#53AE28 #28AE40 #28AE83

triadic

#28AE40 #4028AE #AE4028

tetradic

#28AE40 #2853AE #AE2896 #AE8328

square

#28AE40 #2853AE #AE2896 #AE8328

split-complementary

#28AE40 #8328AE #AE2853

monochromatic

#114A1B #1D7C2E #28AE40 #40D35A #72DF85

Accessibility & contrast

On white

2.91

#28AE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#28AE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28AE40

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28AE40	#FFFFFF	#000000	##000000
##28AE40	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19E33

Deuteranopia (green-blind)

#A2934A

Tritanopia (blue-blind)

#00AA97

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #28ae40;
/* rgb */ color: rgb(40, 174, 64);
/* oklch */ color: oklch(65.8% 0.188 145.6);

Tailwind

colors: {
  custom: {
    50: '#78c779',
    500: '#28ae40',
    950: '#000000',
  },
}

SCSS

$custom: #28ae40;
$custom-light: #78c779;
$custom-dark: #000000;

JSON

{
  "hex": "#28ae40",
  "rgb": {
    "r": 40,
    "g": 174,
    "b": 64
  },
  "hsl": {
    "h": 130.746,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.65848,
    "c": 0.18755,
    "h": 145.6
  },
  "luminance": 0.31093
}

Semantic roles & 50–950 ramp

primary

#28AE40

secondary

#C66CB6

accent

#42C8E6

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #28AE40

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

Preview Lab → · Contrast checker → · Palette generator →