#51CA78#51CA78

#51CA78 is a light, vivid green. Relative luminance 0.453; OKLCH L 75.1% C 0.160 H 151.2°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#51CA78
RGB	rgb(81, 202, 120)
HSL	hsl(139, 53%, 55%)
HSV	hsv(139, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 40.6%, 20.8%)
CIE-LAB	lab(73.12, -51.82, 31.11)
CIE-LCH	lch(73.12, 60.44, 149.03°)
OKLab	oklab(75.05% -0.1402 0.0772)
OKLCH	oklch(75.05% 0.16 151.2)
XYZ	xyz(27.9019, 45.3438, 25.0475)
Luminance	0.4535 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA78 #CA51A3

analogous

#66CA51 #51CA78 #51CAB5

triadic

#51CA78 #7851CA #CA7851

tetradic

#51CA78 #5166CA #CA51A3 #CAB551

square

#51CA78 #5166CA #CA51A3 #CAB551

split-complementary

#51CA78 #B551CA #CA5166

monochromatic

#257B41 #34AA5A #51CA78 #80D89C #AFE7C1

Accessibility & contrast

On white

2.09

#51CA78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.07

#51CA78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA78

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA78	#FFFFFF	#000000	##000000
##51CA78	1.00	2.09	10.07	10.07
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.07	21.00	1.00	1.00
##000000	10.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBBA72

Deuteranopia (green-blind)

#BBAF7D

Tritanopia (blue-blind)

#2BC7B6

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51ca78;
/* rgb */ color: rgb(81, 202, 120);
/* oklch */ color: oklch(75.1% 0.160 151.2);

Tailwind

colors: {
  custom: {
    50: '#8ddba0',
    500: '#51ca78',
    950: '#000000',
  },
}

SCSS

$custom: #51ca78;
$custom-light: #8ddba0;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca78",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 120
  },
  "hsl": {
    "h": 139.339,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.75051,
    "c": 0.16,
    "h": 151.2
  },
  "luminance": 0.45346
}

Semantic roles & 50–950 ramp

primary

#51CA78

secondary

#D5A2C4

accent

#4BAEDD

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #51CA78

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

Preview Lab → · Contrast checker → · Palette generator →