#51CA75#51CA75

#51CA75 is a light, vivid green. Relative luminance 0.453; OKLCH L 75.0% C 0.163 H 150.4°. Best body text is #000000 at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#51CA75
RGB	rgb(81, 202, 117)
HSL	hsl(138, 53%, 55%)
HSV	hsv(138, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 42.1%, 20.8%)
CIE-LAB	lab(73.07, -52.33, 32.58)
CIE-LCH	lch(73.07, 61.65, 148.09°)
OKLab	oklab(75% -0.1415 0.0805)
OKLCH	oklch(75% 0.163 150.4)
XYZ	xyz(27.7227, 45.2721, 24.1036)
Luminance	0.4527 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA75 #CA51A6

analogous

#69CA51 #51CA75 #51CAB1

triadic

#51CA75 #7551CA #CA7551

tetradic

#51CA75 #5169CA #CA51A6 #CAB151

square

#51CA75 #5169CA #CA51A6 #CAB151

split-complementary

#51CA75 #B151CA #CA5169

monochromatic

#257B3F #34AA57 #51CA75 #80D89A #AFE7BF

Accessibility & contrast

On white

2.09

#51CA75 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.06

#51CA75 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA75

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA75	#FFFFFF	#000000	##000000
##51CA75	1.00	2.09	10.06	10.06
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.06	21.00	1.00	1.00
##000000	10.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBBA6F

Deuteranopia (green-blind)

#BBAF7B

Tritanopia (blue-blind)

#2DC7B5

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51ca75;
/* rgb */ color: rgb(81, 202, 117);
/* oklch */ color: oklch(75.0% 0.163 150.4);

Tailwind

colors: {
  custom: {
    50: '#8ddb9e',
    500: '#51ca75',
    950: '#000000',
  },
}

SCSS

$custom: #51ca75;
$custom-light: #8ddb9e;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca75",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 117
  },
  "hsl": {
    "h": 137.851,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74997,
    "c": 0.1628,
    "h": 150.4
  },
  "luminance": 0.45275
}

Semantic roles & 50–950 ramp

primary

#51CA75

secondary

#D5A2C6

accent

#4BB1DD

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #51CA75

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

Preview Lab → · Contrast checker → · Palette generator →