#78DD37#78DD37

#78DD37 is a light, highly saturated yellow-green. Relative luminance 0.560; OKLCH L 80.5% C 0.217 H 136.1°. Best body text is #000000 at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#78DD37
RGB	rgb(120, 221, 55)
HSL	hsl(97, 71%, 54%)
HSV	hsv(97, 75%, 87%)
CMYK	cmyk(45.7%, 0%, 75.1%, 13.3%)
CIE-LAB	lab(79.60, -56.13, 67.34)
CIE-LCH	lch(79.60, 87.67, 129.81°)
OKLab	oklab(80.55% -0.1564 0.1504)
OKLCH	oklch(80.55% 0.217 136.1)
XYZ	xyz(34.2909, 55.9796, 12.6119)
Luminance	0.5598 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78DD37 #9C37DD

analogous

#CBDD37 #78DD37 #37DD49

triadic

#78DD37 #3778DD #DD3778

tetradic

#78DD37 #37CBDD #9C37DD #DD4937

square

#78DD37 #37CBDD #9C37DD #DD4937

split-complementary

#78DD37 #4937DD #DD37CB

monochromatic

#418316 #5BB81F #78DD37 #9BE66B #BFEFA0

Accessibility & contrast

On white

1.72

#78DD37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.20

#78DD37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78DD37

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78DD37	#FFFFFF	#000000	##000000
##78DD37	1.00	1.72	12.20	12.20
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.20	21.00	1.00	1.00
##000000	12.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CA0F

Deuteranopia (green-blind)

#D7C249

Tritanopia (blue-blind)

#74D5BE

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #78dd37;
/* rgb */ color: rgb(120, 221, 55);
/* oklch */ color: oklch(80.5% 0.217 136.1);

Tailwind

colors: {
  custom: {
    50: '#a7e879',
    500: '#78dd37',
    950: '#000000',
  },
}

SCSS

$custom: #78dd37;
$custom-light: #a7e879;
$custom-dark: #000000;

JSON

{
  "hex": "#78dd37",
  "rgb": {
    "r": 120,
    "g": 221,
    "b": 55
  },
  "hsl": {
    "h": 96.506,
    "s": 70.94,
    "l": 54.118
  },
  "oklch": {
    "l": 0.80545,
    "c": 0.21697,
    "h": 136.1
  },
  "luminance": 0.55982
}

Semantic roles & 50–950 ramp

primary

#78DD37

secondary

#662E8A

accent

#3AEEA7

background

#FDFEFB

surface

#F7FDF2

border

#D0D5CC

text

#10160A

muted

#81847D

Preview Lab

Preview with #78DD37

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

Preview Lab → · Contrast checker → · Palette generator →