#28B640#28B640

#28B640 is a light, vivid green. Relative luminance 0.343; OKLCH L 68.0% C 0.197 H 145.3°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#28B640
RGB	rgb(40, 182, 64)
HSL	hsl(130, 64%, 44%)
HSV	hsv(130, 78%, 71%)
CMYK	cmyk(78%, 0%, 64.8%, 28.6%)
CIE-LAB	lab(65.18, -60.01, 48.28)
CIE-LCH	lch(65.18, 77.02, 141.18°)
OKLab	oklab(68% -0.1618 0.1123)
OKLCH	oklch(68% 0.197 145.3)
XYZ	xyz(18.5271, 34.2750, 10.4888)
Luminance	0.3428 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B640 #B6289E

analogous

#57B628 #28B640 #28B687

triadic

#28B640 #4028B6 #B64028

tetradic

#28B640 #2857B6 #B6289E #B68728

square

#28B640 #2857B6 #B6289E #B68728

split-complementary

#28B640 #8728B6 #B62857

monochromatic

#12521D #1D842E #28B640 #45D65E #77E189

Accessibility & contrast

On white

2.67

#28B640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#28B640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B640

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B640	#FFFFFF	#000000	##000000
##28B640	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A532

Deuteranopia (green-blind)

#A99A4B

Tritanopia (blue-blind)

#00B19D

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #28b640;
/* rgb */ color: rgb(40, 182, 64);
/* oklch */ color: oklch(68.0% 0.197 145.3);

Tailwind

colors: {
  custom: {
    50: '#7acd7a',
    500: '#28b640',
    950: '#000000',
  },
}

SCSS

$custom: #28b640;
$custom-light: #7acd7a;
$custom-dark: #000000;

JSON

{
  "hex": "#28b640",
  "rgb": {
    "r": 40,
    "g": 182,
    "b": 64
  },
  "hsl": {
    "h": 130.141,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.68002,
    "c": 0.19696,
    "h": 145.3
  },
  "luminance": 0.34277
}

Semantic roles & 50–950 ramp

primary

#28B640

secondary

#C971BA

accent

#41CBE7

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1409

muted

#7C827B

Preview Lab

Preview with #28B640

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

Preview Lab → · Contrast checker → · Palette generator →