#78CF3B#78CF3B

#78CF3B is a light, vivid yellow-green. Relative luminance 0.489; OKLCH L 77.1% C 0.198 H 135.2°. Best body text is #000000 at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#78CF3B
RGB	rgb(120, 207, 59)
HSL	hsl(95, 61%, 52%)
HSV	hsv(95, 71%, 81%)
CMYK	cmyk(42%, 0%, 71.5%, 18.8%)
CIE-LAB	lab(75.41, -50.40, 61.83)
CIE-LCH	lch(75.41, 79.77, 129.18°)
OKLab	oklab(77.11% -0.1406 0.1395)
OKLCH	oklch(77.11% 0.198 135.2)
XYZ	xyz(30.8473, 48.9328, 11.9564)
Luminance	0.4893 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78CF3B #923BCF

analogous

#C2CF3B #78CF3B #3BCF48

triadic

#78CF3B #3B78CF #CF3B78

tetradic

#78CF3B #3BC2CF #923BCF #CF483B

square

#78CF3B #3BC2CF #923BCF #CF483B

split-complementary

#78CF3B #483BCF #CF3BC2

monochromatic

#40731C #5BA528 #78CF3B #9ADB6C #BCE79D

Accessibility & contrast

On white

1.95

#78CF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.79

#78CF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78CF3B

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78CF3B	#FFFFFF	#000000	##000000
##78CF3B	1.00	1.95	10.79	10.79
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.79	21.00	1.00	1.00
##000000	10.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BE21

Deuteranopia (green-blind)

#CBB749

Tritanopia (blue-blind)

#76C7B2

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #78cf3b;
/* rgb */ color: rgb(120, 207, 59);
/* oklch */ color: oklch(77.1% 0.198 135.2);

Tailwind

colors: {
  custom: {
    50: '#a6de7a',
    500: '#78cf3b',
    950: '#000000',
  },
}

SCSS

$custom: #78cf3b;
$custom-light: #a6de7a;
$custom-dark: #000000;

JSON

{
  "hex": "#78cf3b",
  "rgb": {
    "r": 120,
    "g": 207,
    "b": 59
  },
  "hsl": {
    "h": 95.27,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.77113,
    "c": 0.19804,
    "h": 135.2
  },
  "luminance": 0.48934
}

Semantic roles & 50–950 ramp

primary

#78CF3B

secondary

#B993D3

accent

#44E4A2

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #78CF3B

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

Preview Lab → · Contrast checker → · Palette generator →