#78DE3B#78DE3B

#78DE3B is a light, highly saturated yellow-green. Relative luminance 0.566; OKLCH L 80.8% C 0.216 H 136.4°. Best body text is #000000 at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#78DE3B
RGB	rgb(120, 222, 59)
HSL	hsl(98, 71%, 55%)
HSV	hsv(98, 73%, 87%)
CMYK	cmyk(45.9%, 0%, 73.4%, 12.9%)
CIE-LAB	lab(79.93, -56.27, 66.34)
CIE-LCH	lch(79.93, 86.99, 130.30°)
OKLab	oklab(80.82% -0.1565 0.1489)
OKLCH	oklch(80.82% 0.216 136.4)
XYZ	xyz(34.6555, 56.5492, 13.2258)
Luminance	0.5655 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78DE3B #A13BDE

analogous

#C9DE3B #78DE3B #3BDE4F

triadic

#78DE3B #3B78DE #DE3B78

tetradic

#78DE3B #3BC9DE #A13BDE #DE4F3B

square

#78DE3B #3BC9DE #A13BDE #DE4F3B

split-complementary

#78DE3B #4F3BDE #DE3BC9

monochromatic

#418817 #5ABC20 #78DE3B #9CE76F #C0F0A4

Accessibility & contrast

On white

1.71

#78DE3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.31

#78DE3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78DE3B

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78DE3B	#FFFFFF	#000000	##000000
##78DE3B	1.00	1.71	12.31	12.31
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.31	21.00	1.00	1.00
##000000	12.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CB1A

Deuteranopia (green-blind)

#D8C34C

Tritanopia (blue-blind)

#73D6BF

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #78de3b;
/* rgb */ color: rgb(120, 222, 59);
/* oklch */ color: oklch(80.8% 0.216 136.4);

Tailwind

colors: {
  custom: {
    50: '#a7e97c',
    500: '#78de3b',
    950: '#000000',
  },
}

SCSS

$custom: #78de3b;
$custom-light: #a7e97c;
$custom-dark: #000000;

JSON

{
  "hex": "#78de3b",
  "rgb": {
    "r": 120,
    "g": 222,
    "b": 59
  },
  "hsl": {
    "h": 97.546,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80818,
    "c": 0.21599,
    "h": 136.4
  },
  "luminance": 0.56551
}

Semantic roles & 50–950 ramp

primary

#78DE3B

secondary

#6A2F8E

accent

#3AEEAB

background

#FDFEFB

surface

#F7FDF2

border

#D0D5CC

text

#10160A

muted

#81847D

Preview Lab

Preview with #78DE3B

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

Preview Lab → · Contrast checker → · Palette generator →