#51CA66#51CA66

#51CA66 is a light, vivid green. Relative luminance 0.450; OKLCH L 74.8% C 0.177 H 146.9°. Best body text is #000000 at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#51CA66
RGB	rgb(81, 202, 102)
HSL	hsl(130, 53%, 55%)
HSV	hsv(130, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 49.5%, 20.8%)
CIE-LAB	lab(72.86, -54.68, 39.84)
CIE-LCH	lch(72.86, 67.66, 143.92°)
OKLab	oklab(74.75% -0.1479 0.0965)
OKLCH	oklch(74.75% 0.177 146.9)
XYZ	xyz(26.9104, 44.9471, 19.8253)
Luminance	0.4495 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA66 #CA51B5

analogous

#78CA51 #51CA66 #51CAA2

triadic

#51CA66 #6651CA #CA6651

tetradic

#51CA66 #5178CA #CA51B5 #CAA251

square

#51CA66 #5178CA #CA51B5 #CAA251

split-complementary

#51CA66 #A251CA #CA5178

monochromatic

#257B34 #34AA48 #51CA66 #80D88F #AFE7B8

Accessibility & contrast

On white

2.10

#51CA66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.99

#51CA66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA66

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA66	#FFFFFF	#000000	##000000
##51CA66	1.00	2.10	9.99	9.99
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.99	21.00	1.00	1.00
##000000	9.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB95E

Deuteranopia (green-blind)

#BDAF6D

Tritanopia (blue-blind)

#34C6B3

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51ca66;
/* rgb */ color: rgb(81, 202, 102);
/* oklch */ color: oklch(74.8% 0.177 146.9);

Tailwind

colors: {
  custom: {
    50: '#8ddb93',
    500: '#51ca66',
    950: '#000000',
  },
}

SCSS

$custom: #51ca66;
$custom-light: #8ddb93;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca66",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 102
  },
  "hsl": {
    "h": 130.413,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74752,
    "c": 0.1766,
    "h": 146.9
  },
  "luminance": 0.4495
}

Semantic roles & 50–950 ramp

primary

#51CA66

secondary

#D5A2CC

accent

#4BC3DD

background

#F9FDF9

surface

#F1FBF1

border

#CBD4CB

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #51CA66

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

Preview Lab → · Contrast checker → · Palette generator →