#51CC5E#51CC5E

#51CC5E is a light, vivid green. Relative luminance 0.457; OKLCH L 75.1% C 0.186 H 145.3°. Best body text is #000000 at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#51CC5E
RGB	rgb(81, 204, 94)
HSL	hsl(126, 55%, 56%)
HSV	hsv(126, 60%, 80%)
CMYK	cmyk(60.3%, 0%, 53.9%, 20%)
CIE-LAB	lab(73.38, -56.54, 44.35)
CIE-LCH	lch(73.38, 71.86, 141.89°)
OKLab	oklab(75.15% -0.1531 0.1061)
OKLCH	oklch(75.15% 0.186 145.3)
XYZ	xyz(27.0049, 45.7406, 17.9932)
Luminance	0.4574 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CC5E #CC51BF

analogous

#81CC51 #51CC5E #51CC9B

triadic

#51CC5E #5E51CC #CC5E51

tetradic

#51CC5E #5181CC #CC51BF #CC9B51

square

#51CC5E #5181CC #CC51BF #CC9B51

split-complementary

#51CC5E #9B51CC #CC5181

monochromatic

#257E2E #33AD40 #51CC5E #80DA8A #B0E8B6

Accessibility & contrast

On white

2.07

#51CC5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.15

#51CC5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CC5E

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CC5E	#FFFFFF	#000000	##000000
##51CC5E	1.00	2.07	10.15	10.15
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.15	21.00	1.00	1.00
##000000	10.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFBB54

Deuteranopia (green-blind)

#C0B066

Tritanopia (blue-blind)

#36C7B3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51cc5e;
/* rgb */ color: rgb(81, 204, 94);
/* oklch */ color: oklch(75.1% 0.186 145.3);

Tailwind

colors: {
  custom: {
    50: '#8edc8e',
    500: '#51cc5e',
    950: '#000000',
  },
}

SCSS

$custom: #51cc5e;
$custom-light: #8edc8e;
$custom-dark: #000000;

JSON

{
  "hex": "#51cc5e",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 94
  },
  "hsl": {
    "h": 126.341,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.75148,
    "c": 0.18625,
    "h": 145.3
  },
  "luminance": 0.45743
}

Semantic roles & 50–950 ramp

primary

#51CC5E

secondary

#D6A3D0

accent

#4ACEDE

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CC5E

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

Preview Lab → · Contrast checker → · Palette generator →