#51CD6B#51CD6B

#51CD6B is a light, vivid green. Relative luminance 0.465; OKLCH L 75.6% C 0.176 H 147.7°. Best body text is #000000 at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#51CD6B
RGB	rgb(81, 205, 107)
HSL	hsl(133, 55%, 56%)
HSV	hsv(133, 60%, 80%)
CMYK	cmyk(60.5%, 0%, 47.8%, 19.6%)
CIE-LAB	lab(73.85, -55.08, 38.62)
CIE-LCH	lch(73.85, 67.27, 144.97°)
OKLab	oklab(75.59% -0.1489 0.094)
OKLCH	oklch(75.59% 0.176 147.7)
XYZ	xyz(27.8766, 46.4708, 21.4078)
Luminance	0.4647 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CD6B #CD51B3

analogous

#75CD51 #51CD6B #51CDA9

triadic

#51CD6B #6B51CD #CD6B51

tetradic

#51CD6B #5175CD #CD51B3 #CDA951

square

#51CD6B #5175CD #CD51B3 #CDA951

split-complementary

#51CD6B #A951CD #CD5175

monochromatic

#257F38 #32AF4C #51CD6B #81DB93 #B0E8BC

Accessibility & contrast

On white

2.04

#51CD6B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.29

#51CD6B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD6B

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CD6B	#FFFFFF	#000000	##000000
##51CD6B	1.00	2.04	10.29	10.29
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.29	21.00	1.00	1.00
##000000	10.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFBC63

Deuteranopia (green-blind)

#BFB172

Tritanopia (blue-blind)

#31C9B6

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51cd6b;
/* rgb */ color: rgb(81, 205, 107);
/* oklch */ color: oklch(75.6% 0.176 147.7);

Tailwind

colors: {
  custom: {
    50: '#8edd97',
    500: '#51cd6b',
    950: '#000000',
  },
}

SCSS

$custom: #51cd6b;
$custom-light: #8edd97;
$custom-dark: #000000;

JSON

{
  "hex": "#51cd6b",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 107
  },
  "hsl": {
    "h": 132.581,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75591,
    "c": 0.17606,
    "h": 147.7
  },
  "luminance": 0.46474
}

Semantic roles & 50–950 ramp

primary

#51CD6B

secondary

#D7A3CC

accent

#49BFDF

background

#F9FDF9

surface

#F2FBF2

border

#CCD4CC

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #51CD6B

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

Preview Lab → · Contrast checker → · Palette generator →