#28B31B#28B31B

#28B31B is a light, highly saturated green. Relative luminance 0.328; OKLCH L 66.9% C 0.214 H 142.0°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#28B31B
RGB	rgb(40, 179, 27)
HSL	hsl(115, 74%, 40%)
HSV	hsv(115, 85%, 70%)
CMYK	cmyk(77.7%, 0%, 84.9%, 29.8%)
CIE-LAB	lab(63.97, -61.94, 59.90)
CIE-LCH	lch(63.97, 86.17, 135.96°)
OKLab	oklab(66.92% -0.1686 0.1319)
OKLCH	oklch(66.92% 0.214 142)
XYZ	xyz(17.1920, 32.7684, 6.4556)
Luminance	0.3277 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B31B #A61BB3

analogous

#74B31B #28B31B #1BB35A

triadic

#28B31B #1B28B3 #B31B28

tetradic

#28B31B #1B74B3 #A61BB3 #B35A1B

square

#28B31B #1B74B3 #A61BB3 #B35A1B

split-complementary

#28B31B #5A1BB3 #B31B74

monochromatic

#10490B #1C7E13 #28B31B #3BDF2C #6DE761

Accessibility & contrast

On white

2.78

#28B31B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#28B31B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B31B

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B31B	#FFFFFF	#000000	##000000
##28B31B	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#A89730

Tritanopia (blue-blind)

#00AD98

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #28b31b;
/* rgb */ color: rgb(40, 179, 27);
/* oklch */ color: oklch(66.9% 0.214 142.0);

Tailwind

colors: {
  custom: {
    50: '#7bcb67',
    500: '#28b31b',
    950: '#000000',
  },
}

SCSS

$custom: #28b31b;
$custom-light: #7bcb67;
$custom-dark: #000000;

JSON

{
  "hex": "#28b31b",
  "rgb": {
    "r": 40,
    "g": 179,
    "b": 27
  },
  "hsl": {
    "h": 114.868,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.66924,
    "c": 0.21411,
    "h": 142
  },
  "luminance": 0.3277
}

Semantic roles & 50–950 ramp

primary

#28B31B

secondary

#C25ECC

accent

#37F0E1

background

#F8FCF6

surface

#EFF9EB

border

#CAD2C6

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #28B31B

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

Preview Lab → · Contrast checker → · Palette generator →