#28FF03#28FF03

#28FF03 is a very light, highly saturated green. Relative luminance 0.720; OKLCH L 86.9% C 0.291 H 141.9°. Best body text is #000000 at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#28FF03
RGB	rgb(40, 255, 3)
HSL	hsl(111, 100%, 51%)
HSV	hsv(111, 99%, 100%)
CMYK	cmyk(84.3%, 0%, 98.8%, 0%)
CIE-LAB	lab(87.96, -84.16, 83.22)
CIE-LCH	lch(87.96, 118.36, 135.32°)
OKLab	oklab(86.89% -0.2291 0.1796)
OKLCH	oklch(86.89% 0.291 141.9)
XYZ	xyz(36.6492, 71.9731, 12.0468)
Luminance	0.7198 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28FF03 #DA03FF

analogous

#A6FF03 #28FF03 #03FF5C

triadic

#28FF03 #0328FF #FF0328

tetradic

#28FF03 #03A6FF #DA03FF #FF5C03

square

#28FF03 #03A6FF #DA03FF #FF5C03

split-complementary

#28FF03 #5C03FF #FF03A6

monochromatic

#148800 #1DC500 #28FF03 #5CFF40 #90FF7D

Accessibility & contrast

On white

1.36

#28FF03 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.40

#28FF03 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28FF03

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28FF03	#FFFFFF	#000000	##000000
##28FF03	1.00	1.36	15.40	15.40
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.40	21.00	1.00	1.00
##000000	15.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE600

Deuteranopia (green-blind)

#F0D73B

Tritanopia (blue-blind)

#00F7D9

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #28ff03;
/* rgb */ color: rgb(40, 255, 3);
/* oklch */ color: oklch(86.9% 0.291 141.9);

Tailwind

colors: {
  custom: {
    50: '#8dff70',
    500: '#28ff03',
    950: '#000000',
  },
}

SCSS

$custom: #28ff03;
$custom-light: #8dff70;
$custom-dark: #000000;

JSON

{
  "hex": "#28ff03",
  "rgb": {
    "r": 40,
    "g": 255,
    "b": 3
  },
  "hsl": {
    "h": 111.19,
    "s": 100,
    "l": 50.588
  },
  "oklch": {
    "l": 0.86893,
    "c": 0.29112,
    "h": 141.9
  },
  "luminance": 0.71978
}

Semantic roles & 50–950 ramp

primary

#28FF03

secondary

#7C198D

accent

#29FFE0

background

#FCFFFB

surface

#F5FFF1

border

#CFD7CB

text

#0F1809

muted

#80867D

Preview Lab

Preview with #28FF03

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

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