#78CB3B#78CB3B

#78CB3B is a light, vivid yellow-green. Relative luminance 0.470; OKLCH L 76.1% C 0.193 H 134.9°. Best body text is #000000 at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#78CB3B
RGB	rgb(120, 203, 59)
HSL	hsl(95, 58%, 51%)
HSV	hsv(95, 71%, 80%)
CMYK	cmyk(40.9%, 0%, 70.9%, 20.4%)
CIE-LAB	lab(74.20, -48.78, 60.61)
CIE-LCH	lch(74.20, 77.80, 128.83°)
OKLab	oklab(76.12% -0.1362 0.1369)
OKLCH	oklch(76.12% 0.193 134.9)
XYZ	xyz(29.8904, 47.0191, 11.6375)
Luminance	0.4702 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78CB3B #8E3BCB

analogous

#C0CB3B #78CB3B #3BCB46

triadic

#78CB3B #3B78CB #CB3B78

tetradic

#78CB3B #3BC0CB #8E3BCB #CB463B

square

#78CB3B #3BC0CB #8E3BCB #CB463B

split-complementary

#78CB3B #463BCB #CB3BC0

monochromatic

#406E1D #5B9F2A #78CB3B #99D86B #BBE59C

Accessibility & contrast

On white

2.02

#78CB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.40

#78CB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78CB3B

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78CB3B	#FFFFFF	#000000	##000000
##78CB3B	1.00	2.02	10.40	10.40
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.40	21.00	1.00	1.00
##000000	10.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB23

Deuteranopia (green-blind)

#C7B449

Tritanopia (blue-blind)

#76C3AF

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #78cb3b;
/* rgb */ color: rgb(120, 203, 59);
/* oklch */ color: oklch(76.1% 0.193 134.9);

Tailwind

colors: {
  custom: {
    50: '#a5db79',
    500: '#78cb3b',
    950: '#000000',
  },
}

SCSS

$custom: #78cb3b;
$custom-light: #a5db79;
$custom-dark: #000000;

JSON

{
  "hex": "#78cb3b",
  "rgb": {
    "r": 120,
    "g": 203,
    "b": 59
  },
  "hsl": {
    "h": 94.583,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.76124,
    "c": 0.19314,
    "h": 134.9
  },
  "luminance": 0.47021
}

Semantic roles & 50–950 ramp

primary

#78CB3B

secondary

#B691D1

accent

#47E1A0

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #78CB3B

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

Preview Lab → · Contrast checker → · Palette generator →