#28B440#28B440

#28B440 is a light, vivid green. Relative luminance 0.335; OKLCH L 67.5% C 0.195 H 145.3°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#28B440
RGB	rgb(40, 180, 64)
HSL	hsl(130, 64%, 43%)
HSV	hsv(130, 78%, 71%)
CMYK	cmyk(77.8%, 0%, 64.4%, 29.4%)
CIE-LAB	lab(64.53, -59.35, 47.56)
CIE-LCH	lch(64.53, 76.06, 141.29°)
OKLab	oklab(67.47% -0.1601 0.1107)
OKLCH	oklch(67.47% 0.195 145.3)
XYZ	xyz(18.1205, 33.4616, 10.3532)
Luminance	0.3346 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B440 #B4289C

analogous

#56B428 #28B440 #28B486

triadic

#28B440 #4028B4 #B44028

tetradic

#28B440 #2856B4 #B4289C #B48628

square

#28B440 #2856B4 #B4289C #B48628

split-complementary

#28B440 #8628B4 #B42856

monochromatic

#12501C #1D822E #28B440 #44D55D #76E188

Accessibility & contrast

On white

2.73

#28B440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.69

#28B440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B440

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B440	#FFFFFF	#000000	##000000
##28B440	1.00	2.73	7.69	7.69
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.69	21.00	1.00	1.00
##000000	7.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A332

Deuteranopia (green-blind)

#A7984A

Tritanopia (blue-blind)

#00AF9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #28b440;
/* rgb */ color: rgb(40, 180, 64);
/* oklch */ color: oklch(67.5% 0.195 145.3);

Tailwind

colors: {
  custom: {
    50: '#7acc7a',
    500: '#28b440',
    950: '#000000',
  },
}

SCSS

$custom: #28b440;
$custom-light: #7acc7a;
$custom-dark: #000000;

JSON

{
  "hex": "#28b440",
  "rgb": {
    "r": 40,
    "g": 180,
    "b": 64
  },
  "hsl": {
    "h": 130.286,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.67465,
    "c": 0.19462,
    "h": 145.3
  },
  "luminance": 0.33464
}

Semantic roles & 50–950 ramp

primary

#28B440

secondary

#C870B9

accent

#41CAE7

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #28B440

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

Preview Lab → · Contrast checker → · Palette generator →