#78BD21#78BD21

#78BD21 is a light, vivid yellow-green. Relative luminance 0.405; OKLCH L 72.5% C 0.190 H 131.7°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#78BD21
RGB	rgb(120, 189, 33)
HSL	hsl(87, 70%, 44%)
HSV	hsv(87, 83%, 74%)
CMYK	cmyk(36.5%, 0%, 82.5%, 25.9%)
CIE-LAB	lab(69.82, -44.44, 64.64)
CIE-LCH	lch(69.82, 78.45, 124.51°)
OKLab	oklab(72.5% -0.1262 0.1416)
OKLCH	oklch(72.5% 0.19 131.7)
XYZ	xyz(26.2176, 40.4970, 7.8739)
Luminance	0.4050 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78BD21 #6621BD

analogous

#BDB421 #78BD21 #2ABD21

triadic

#78BD21 #2178BD #BD2178

tetradic

#78BD21 #21BDB4 #6621BD #BD212A

square

#78BD21 #21BDB4 #6621BD #BD212A

split-complementary

#78BD21 #212ABD #B421BD

monochromatic

#36550F #578918 #78BD21 #97DD3E #B3E672

Accessibility & contrast

On white

2.31

#78BD21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#78BD21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78BD21

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78BD21	#FFFFFF	#000000	##000000
##78BD21	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE00

Deuteranopia (green-blind)

#BCA934

Tritanopia (blue-blind)

#7AB5A1

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #78bd21;
/* rgb */ color: rgb(120, 189, 33);
/* oklch */ color: oklch(72.5% 0.190 131.7);

Tailwind

colors: {
  custom: {
    50: '#a5d16c',
    500: '#78bd21',
    950: '#000000',
  },
}

SCSS

$custom: #78bd21;
$custom-light: #a5d16c;
$custom-dark: #000000;

JSON

{
  "hex": "#78bd21",
  "rgb": {
    "r": 120,
    "g": 189,
    "b": 33
  },
  "hsl": {
    "h": 86.538,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.72497,
    "c": 0.18965,
    "h": 131.7
  },
  "luminance": 0.40498
}

Semantic roles & 50–950 ramp

primary

#78BD21

secondary

#976DCD

accent

#3BED8A

background

#FAFCF6

surface

#F4F9EC

border

#CED2C7

text

#101408

muted

#7F827A

Preview Lab

Preview with #78BD21

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

Preview Lab → · Contrast checker → · Palette generator →