#78C83B#78C83B

#78C83B is a light, vivid yellow-green. Relative luminance 0.456; OKLCH L 75.4% C 0.189 H 134.6°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#78C83B
RGB	rgb(120, 200, 59)
HSL	hsl(94, 56%, 51%)
HSV	hsv(94, 71%, 78%)
CMYK	cmyk(40%, 0%, 70.5%, 21.6%)
CIE-LAB	lab(73.30, -47.56, 59.68)
CIE-LCH	lch(73.30, 76.32, 128.55°)
OKLab	oklab(75.38% -0.1329 0.135)
OKLCH	oklch(75.38% 0.189 134.6)
XYZ	xyz(29.1888, 45.6159, 11.4036)
Luminance	0.4562 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78C83B #8B3BC8

analogous

#BEC83B #78C83B #3BC845

triadic

#78C83B #3B78C8 #C83B78

tetradic

#78C83B #3BBEC8 #8B3BC8 #C8453B

square

#78C83B #3BBEC8 #8B3BC8 #C8453B

split-complementary

#78C83B #453BC8 #C83BBE

monochromatic

#3F6B1E #5B9A2B #78C83B #99D56B #BAE39B

Accessibility & contrast

On white

2.07

#78C83B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#78C83B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78C83B

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78C83B	#FFFFFF	#000000	##000000
##78C83B	1.00	2.07	10.12	10.12
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B824

Deuteranopia (green-blind)

#C5B248

Tritanopia (blue-blind)

#77C0AC

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #78c83b;
/* rgb */ color: rgb(120, 200, 59);
/* oklch */ color: oklch(75.4% 0.189 134.6);

Tailwind

colors: {
  custom: {
    50: '#a5d979',
    500: '#78c83b',
    950: '#000000',
  },
}

SCSS

$custom: #78c83b;
$custom-light: #a5d979;
$custom-dark: #000000;

JSON

{
  "hex": "#78c83b",
  "rgb": {
    "r": 120,
    "g": 200,
    "b": 59
  },
  "hsl": {
    "h": 94.043,
    "s": 56.175,
    "l": 50.784
  },
  "oklch": {
    "l": 0.75382,
    "c": 0.18943,
    "h": 134.6
  },
  "luminance": 0.45617
}

Semantic roles & 50–950 ramp

primary

#78C83B

secondary

#B490CF

accent

#48DF9E

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #78C83B

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

Preview Lab → · Contrast checker → · Palette generator →