#28B23A#28B23A

#28B23A is a light, vivid green. Relative luminance 0.326; OKLCH L 66.9% C 0.197 H 144.6°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#28B23A
RGB	rgb(40, 178, 58)
HSL	hsl(128, 63%, 43%)
HSV	hsv(128, 78%, 70%)
CMYK	cmyk(77.5%, 0%, 67.4%, 30.2%)
CIE-LAB	lab(63.83, -59.34, 49.35)
CIE-LCH	lch(63.83, 77.18, 140.25°)
OKLab	oklab(66.87% -0.1603 0.1139)
OKLCH	oklch(66.87% 0.197 144.6)
XYZ	xyz(17.5580, 32.5953, 9.3683)
Luminance	0.3260 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B23A #B228A0

analogous

#5BB228 #28B23A #28B27F

triadic

#28B23A #3A28B2 #B23A28

tetradic

#28B23A #285BB2 #B228A0 #B27F28

square

#28B23A #285BB2 #B228A0 #B27F28

split-complementary

#28B23A #7F28B2 #B2285B

monochromatic

#124E19 #1D802A #28B23A #43D556 #75E083

Accessibility & contrast

On white

2.79

#28B23A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#28B23A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B23A

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B23A	#FFFFFF	#000000	##000000
##28B23A	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A12A

Deuteranopia (green-blind)

#A69745

Tritanopia (blue-blind)

#00AD99

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #28b23a;
/* rgb */ color: rgb(40, 178, 58);
/* oklch */ color: oklch(66.9% 0.197 144.6);

Tailwind

colors: {
  custom: {
    50: '#7aca76',
    500: '#28b23a',
    950: '#000000',
  },
}

SCSS

$custom: #28b23a;
$custom-light: #7aca76;
$custom-dark: #000000;

JSON

{
  "hex": "#28b23a",
  "rgb": {
    "r": 40,
    "g": 178,
    "b": 58
  },
  "hsl": {
    "h": 127.826,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.66866,
    "c": 0.1966,
    "h": 144.6
  },
  "luminance": 0.32597
}

Semantic roles & 50–950 ramp

primary

#28B23A

secondary

#C76FBC

accent

#41D1E6

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #28B23A

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

Preview Lab → · Contrast checker → · Palette generator →