#78BB33#78BB33

#78BB33 is a light, vivid yellow-green. Relative luminance 0.398; OKLCH L 72.1% C 0.178 H 132.4°. Best body text is #000000 at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#78BB33
RGB	rgb(120, 187, 51)
HSL	hsl(90, 57%, 47%)
HSV	hsv(90, 73%, 73%)
CMYK	cmyk(35.8%, 0%, 72.7%, 26.7%)
CIE-LAB	lab(69.31, -42.65, 58.59)
CIE-LCH	lch(69.31, 72.47, 126.06°)
OKLab	oklab(72.1% -0.1202 0.1315)
OKLCH	oklch(72.1% 0.178 132.4)
XYZ	xyz(26.1133, 39.7716, 9.4321)
Luminance	0.3977 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78BB33 #7633BB

analogous

#BBBA33 #78BB33 #34BB33

triadic

#78BB33 #3378BB #BB3378

tetradic

#78BB33 #33BBBA #7633BB #BB3334

square

#78BB33 #33BBBA #7633BB #BB3334

split-complementary

#78BB33 #3334BB #BA33BB

monochromatic

#3A5B19 #598B26 #78BB33 #96D259 #B5DF89

Accessibility & contrast

On white

2.35

#78BB33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.95

#78BB33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78BB33

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78BB33	#FFFFFF	#000000	##000000
##78BB33	1.00	2.35	8.95	8.95
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.95	21.00	1.00	1.00
##000000	8.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD1A

Deuteranopia (green-blind)

#BAA740

Tritanopia (blue-blind)

#79B3A1

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #78bb33;
/* rgb */ color: rgb(120, 187, 51);
/* oklch */ color: oklch(72.1% 0.178 132.4);

Tailwind

colors: {
  custom: {
    50: '#a4d074',
    500: '#78bb33',
    950: '#000000',
  },
}

SCSS

$custom: #78bb33;
$custom-light: #a4d074;
$custom-dark: #000000;

JSON

{
  "hex": "#78bb33",
  "rgb": {
    "r": 120,
    "g": 187,
    "b": 51
  },
  "hsl": {
    "h": 89.559,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.72105,
    "c": 0.17819,
    "h": 132.4
  },
  "luminance": 0.39773
}

Semantic roles & 50–950 ramp

primary

#78BB33

secondary

#A481C9

accent

#47E093

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#101409

muted

#7F827B

Preview Lab

Preview with #78BB33

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

Preview Lab → · Contrast checker → · Palette generator →