#78CA39#78CA39

#78CA39 is a light, vivid yellow-green. Relative luminance 0.465; OKLCH L 75.9% C 0.193 H 134.6°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#78CA39
RGB	rgb(120, 202, 57)
HSL	hsl(94, 58%, 51%)
HSV	hsv(94, 72%, 79%)
CMYK	cmyk(40.6%, 0%, 71.8%, 20.8%)
CIE-LAB	lab(73.89, -48.51, 61.01)
CIE-LCH	lch(73.89, 77.95, 128.49°)
OKLab	oklab(75.86% -0.1356 0.1375)
OKLCH	oklch(75.86% 0.193 134.6)
XYZ	xyz(29.6042, 46.5280, 11.2910)
Luminance	0.4653 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78CA39 #8B39CA

analogous

#C0CA39 #78CA39 #39CA42

triadic

#78CA39 #3978CA #CA3978

tetradic

#78CA39 #39C0CA #8B39CA #CA4239

square

#78CA39 #39C0CA #8B39CA #CA4239

split-complementary

#78CA39 #4239CA #CA39C0

monochromatic

#3F6C1D #5B9C2A #78CA39 #99D769 #BAE49A

Accessibility & contrast

On white

2.04

#78CA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.31

#78CA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78CA39

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78CA39	#FFFFFF	#000000	##000000
##78CA39	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)

#D2BA1F

Deuteranopia (green-blind)

#C7B347

Tritanopia (blue-blind)

#77C2AE

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #78ca39;
/* rgb */ color: rgb(120, 202, 57);
/* oklch */ color: oklch(75.9% 0.193 134.6);

Tailwind

colors: {
  custom: {
    50: '#a5db78',
    500: '#78ca39',
    950: '#000000',
  },
}

SCSS

$custom: #78ca39;
$custom-light: #a5db78;
$custom-dark: #000000;

JSON

{
  "hex": "#78ca39",
  "rgb": {
    "r": 120,
    "g": 202,
    "b": 57
  },
  "hsl": {
    "h": 93.931,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.75862,
    "c": 0.19314,
    "h": 134.6
  },
  "luminance": 0.4653
}

Semantic roles & 50–950 ramp

primary

#78CA39

secondary

#B48FD0

accent

#47E19E

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#101509

muted

#7F837B

Preview Lab

Preview with #78CA39

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

Preview Lab → · Contrast checker → · Palette generator →