#28A638#28A638

#28A638 is a light, vivid green. Relative luminance 0.280; OKLCH L 63.6% C 0.184 H 144.7°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#28A638
RGB	rgb(40, 166, 56)
HSL	hsl(128, 61%, 40%)
HSV	hsv(128, 76%, 65%)
CMYK	cmyk(75.9%, 0%, 66.3%, 34.9%)
CIE-LAB	lab(59.90, -55.59, 45.90)
CIE-LCH	lch(59.90, 72.10, 140.45°)
OKLab	oklab(63.59% -0.1502 0.1064)
OKLCH	oklch(63.59% 0.184 144.7)
XYZ	xyz(15.2241, 28.0073, 8.3442)
Luminance	0.2801 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28A638 #A62896

analogous

#57A628 #28A638 #28A677

triadic

#28A638 #3828A6 #A63828

tetradic

#28A638 #2857A6 #A62896 #A67728

square

#28A638 #2857A6 #A62896 #A67728

split-complementary

#28A638 #7728A6 #A62857

monochromatic

#104317 #1C7527 #28A638 #3BD04E #6DDC7B

Accessibility & contrast

On white

3.18

#28A638 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#28A638 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28A638

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28A638	#FFFFFF	#000000	##000000
##28A638	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9962A

Deuteranopia (green-blind)

#9B8C42

Tritanopia (blue-blind)

#00A28F

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #28a638;
/* rgb */ color: rgb(40, 166, 56);
/* oklch */ color: oklch(63.6% 0.184 144.7);

Tailwind

colors: {
  custom: {
    50: '#77c274',
    500: '#28a638',
    950: '#000000',
  },
}

SCSS

$custom: #28a638;
$custom-light: #77c274;
$custom-dark: #000000;

JSON

{
  "hex": "#28a638",
  "rgb": {
    "r": 40,
    "g": 166,
    "b": 56
  },
  "hsl": {
    "h": 127.619,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.63592,
    "c": 0.18403,
    "h": 144.7
  },
  "luminance": 0.28009
}

Semantic roles & 50–950 ramp

primary

#28A638

secondary

#C267B7

accent

#44D0E4

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1208

muted

#7C817B

Preview Lab

Preview with #28A638

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

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