#28AC3B#28AC3B

#28AC3B is a light, vivid green. Relative luminance 0.303; OKLCH L 65.3% C 0.189 H 144.9°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#28AC3B
RGB	rgb(40, 172, 59)
HSL	hsl(129, 62%, 42%)
HSV	hsv(129, 77%, 67%)
CMYK	cmyk(76.7%, 0%, 65.7%, 32.5%)
CIE-LAB	lab(61.89, -57.27, 46.80)
CIE-LCH	lch(61.89, 73.96, 140.75°)
OKLab	oklab(65.25% -0.1546 0.1086)
OKLCH	oklch(65.25% 0.189 144.9)
XYZ	xyz(16.4159, 30.2700, 9.1144)
Luminance	0.3027 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28AC3B #AC2899

analogous

#57AC28 #28AC3B #28AC7D

triadic

#28AC3B #3B28AC #AC3B28

tetradic

#28AC3B #2857AC #AC2899 #AC7D28

square

#28AC3B #2857AC #AC2899 #AC7D28

split-complementary

#28AC3B #7D28AC #AC2857

monochromatic

#114919 #1C7A2A #28AC3B #3FD254 #71DE80

Accessibility & contrast

On white

2.98

#28AC3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#28AC3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28AC3B

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28AC3B	#FFFFFF	#000000	##000000
##28AC3B	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9C2D

Deuteranopia (green-blind)

#A09245

Tritanopia (blue-blind)

#00A795

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #28ac3b;
/* rgb */ color: rgb(40, 172, 59);
/* oklch */ color: oklch(65.3% 0.189 144.9);

Tailwind

colors: {
  custom: {
    50: '#78c676',
    500: '#28ac3b',
    950: '#000000',
  },
}

SCSS

$custom: #28ac3b;
$custom-light: #78c676;
$custom-dark: #000000;

JSON

{
  "hex": "#28ac3b",
  "rgb": {
    "r": 40,
    "g": 172,
    "b": 59
  },
  "hsl": {
    "h": 128.636,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.65253,
    "c": 0.18892,
    "h": 144.9
  },
  "luminance": 0.30272
}

Semantic roles & 50–950 ramp

primary

#28AC3B

secondary

#C56BB8

accent

#42CEE5

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #28AC3B

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

Preview Lab → · Contrast checker → · Palette generator →