#78BC51#78BC51

#78BC51 is a light, vivid yellow-green. Relative luminance 0.406; OKLCH L 72.6% C 0.157 H 135.6°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#78BC51
RGB	rgb(120, 188, 81)
HSL	hsl(98, 44%, 53%)
HSV	hsv(98, 57%, 74%)
CMYK	cmyk(36.2%, 0%, 56.9%, 26.3%)
CIE-LAB	lab(69.86, -40.54, 46.67)
CIE-LCH	lch(69.86, 61.82, 130.98°)
OKLab	oklab(72.64% -0.1122 0.1099)
OKLCH	oklch(72.64% 0.157 135.6)
XYZ	xyz(27.2135, 40.5523, 14.1765)
Luminance	0.4055 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78BC51 #9551BC

analogous

#ADBC51 #78BC51 #51BC60

triadic

#78BC51 #5178BC #BC5178

tetradic

#78BC51 #51ADBC #9551BC #BC6051

square

#78BC51 #51ADBC #9551BC #BC6051

split-complementary

#78BC51 #6051BC #BC51AD

monochromatic

#406A29 #5B963A #78BC51 #9ACD7D #BDDEA9

Accessibility & contrast

On white

2.30

#78BC51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#78BC51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78BC51

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78BC51	#FFFFFF	#000000	##000000
##78BC51	1.00	2.30	9.11	9.11
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.11	21.00	1.00	1.00
##000000	9.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AE46

Deuteranopia (green-blind)

#B9A959

Tritanopia (blue-blind)

#76B6A4

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #78bc51;
/* rgb */ color: rgb(120, 188, 81);
/* oklch */ color: oklch(72.6% 0.157 135.6);

Tailwind

colors: {
  custom: {
    50: '#a3d085',
    500: '#78bc51',
    950: '#000000',
  },
}

SCSS

$custom: #78bc51;
$custom-light: #a3d085;
$custom-dark: #000000;

JSON

{
  "hex": "#78bc51",
  "rgb": {
    "r": 120,
    "g": 188,
    "b": 81
  },
  "hsl": {
    "h": 98.131,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.72639,
    "c": 0.15704,
    "h": 135.6
  },
  "luminance": 0.40554
}

Semantic roles & 50–950 ramp

primary

#78BC51

secondary

#BB9DCC

accent

#54D4A5

background

#FAFCF8

surface

#F4F9EF

border

#CED2CA

text

#0F140B

muted

#7F827C

Preview Lab

Preview with #78BC51

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

Preview Lab → · Contrast checker → · Palette generator →