#78DB3B#78DB3B

#78DB3B is a light, highly saturated yellow-green. Relative luminance 0.550; OKLCH L 80.1% C 0.212 H 136.2°. Best body text is #000000 at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#78DB3B
RGB	rgb(120, 219, 59)
HSL	hsl(97, 69%, 55%)
HSV	hsv(97, 73%, 86%)
CMYK	cmyk(45.2%, 0%, 73.1%, 14.1%)
CIE-LAB	lab(79.02, -55.12, 65.45)
CIE-LCH	lch(79.02, 85.56, 130.10°)
OKLab	oklab(80.08% -0.1534 0.147)
OKLCH	oklch(80.08% 0.212 136.2)
XYZ	xyz(33.8658, 54.9697, 12.9626)
Luminance	0.5497 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78DB3B #9E3BDB

analogous

#C8DB3B #78DB3B #3BDB4E

triadic

#78DB3B #3B78DB #DB3B78

tetradic

#78DB3B #3BC8DB #9E3BDB #DB4E3B

square

#78DB3B #3BC8DB #9E3BDB #DB4E3B

split-complementary

#78DB3B #4E3BDB #DB3BC8

monochromatic

#418318 #5BB722 #78DB3B #9CE46F #BFEEA2

Accessibility & contrast

On white

1.75

#78DB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.99

#78DB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78DB3B

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78DB3B	#FFFFFF	#000000	##000000
##78DB3B	1.00	1.75	11.99	11.99
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.99	21.00	1.00	1.00
##000000	11.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3C91B

Deuteranopia (green-blind)

#D5C14B

Tritanopia (blue-blind)

#74D3BC

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #78db3b;
/* rgb */ color: rgb(120, 219, 59);
/* oklch */ color: oklch(80.1% 0.212 136.2);

Tailwind

colors: {
  custom: {
    50: '#a7e77b',
    500: '#78db3b',
    950: '#000000',
  },
}

SCSS

$custom: #78db3b;
$custom-light: #a7e77b;
$custom-dark: #000000;

JSON

{
  "hex": "#78db3b",
  "rgb": {
    "r": 120,
    "g": 219,
    "b": 59
  },
  "hsl": {
    "h": 97.125,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.80078,
    "c": 0.21246,
    "h": 136.2
  },
  "luminance": 0.54972
}

Semantic roles & 50–950 ramp

primary

#78DB3B

secondary

#68308A

accent

#3CECA9

background

#FDFEFB

surface

#F7FCF2

border

#D0D5CC

text

#10160A

muted

#81847D

Preview Lab

Preview with #78DB3B

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

Preview Lab → · Contrast checker → · Palette generator →