#78CA3B#78CA3B

#78CA3B is a light, vivid yellow-green. Relative luminance 0.466; OKLCH L 75.9% C 0.192 H 134.8°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#78CA3B
RGB	rgb(120, 202, 59)
HSL	hsl(94, 57%, 51%)
HSV	hsv(94, 71%, 79%)
CMYK	cmyk(40.6%, 0%, 70.8%, 20.8%)
CIE-LAB	lab(73.90, -48.38, 60.30)
CIE-LCH	lch(73.90, 77.31, 128.74°)
OKLab	oklab(75.88% -0.1351 0.1363)
OKLCH	oklch(75.88% 0.192 134.8)
XYZ	xyz(29.6551, 46.5483, 11.5590)
Luminance	0.4655 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78CA3B #8D3BCA

analogous

#BFCA3B #78CA3B #3BCA45

triadic

#78CA3B #3B78CA #CA3B78

tetradic

#78CA3B #3BBFCA #8D3BCA #CA453B

square

#78CA3B #3BBFCA #8D3BCA #CA453B

split-complementary

#78CA3B #453BCA #CA3BBF

monochromatic

#3F6D1E #5B9D2B #78CA3B #99D76B #BAE49B

Accessibility & contrast

On white

2.04

#78CA3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.31

#78CA3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78CA3B

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78CA3B	#FFFFFF	#000000	##000000
##78CA3B	1.00	2.04	10.31	10.31
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.31	21.00	1.00	1.00
##000000	10.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BA23

Deuteranopia (green-blind)

#C6B348

Tritanopia (blue-blind)

#76C2AE

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #78ca3b;
/* rgb */ color: rgb(120, 202, 59);
/* oklch */ color: oklch(75.9% 0.192 134.8);

Tailwind

colors: {
  custom: {
    50: '#a5db79',
    500: '#78ca3b',
    950: '#000000',
  },
}

SCSS

$custom: #78ca3b;
$custom-light: #a5db79;
$custom-dark: #000000;

JSON

{
  "hex": "#78ca3b",
  "rgb": {
    "r": 120,
    "g": 202,
    "b": 59
  },
  "hsl": {
    "h": 94.406,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.75877,
    "c": 0.19191,
    "h": 134.8
  },
  "luminance": 0.4655
}

Semantic roles & 50–950 ramp

primary

#78CA3B

secondary

#B591D0

accent

#47E19F

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #78CA3B

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

Preview Lab → · Contrast checker → · Palette generator →