#51D655#51D655

#51D655 is a light, highly saturated green. Relative luminance 0.505; OKLCH L 77.6% C 0.206 H 143.7°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#51D655
RGB	rgb(81, 214, 85)
HSL	hsl(122, 62%, 58%)
HSV	hsv(122, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 60.3%, 16.1%)
CIE-LAB	lab(76.37, -61.25, 51.98)
CIE-LCH	lch(76.37, 80.33, 139.68°)
OKLab	oklab(77.59% -0.1662 0.122)
OKLCH	oklch(77.59% 0.206 143.7)
XYZ	xyz(29.0779, 50.4955, 16.8068)
Luminance	0.5050 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D655 #D651D2

analogous

#8FD651 #51D655 #51D698

triadic

#51D655 #5551D6 #D65551

tetradic

#51D655 #518FD6 #D651D2 #D69851

square

#51D655 #518FD6 #D651D2 #D69851

split-complementary

#51D655 #9851D6 #D6518F

monochromatic

#218C24 #2DBD31 #51D655 #83E285 #B4EDB6

Accessibility & contrast

On white

1.89

#51D655 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#51D655 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D655

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D655	#FFFFFF	#000000	##000000
##51D655	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC347

Deuteranopia (green-blind)

#CAB860

Tritanopia (blue-blind)

#35D0BA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51d655;
/* rgb */ color: rgb(81, 214, 85);
/* oklch */ color: oklch(77.6% 0.206 143.7);

Tailwind

colors: {
  custom: {
    50: '#90e489',
    500: '#51d655',
    950: '#000000',
  },
}

SCSS

$custom: #51d655;
$custom-light: #90e489;
$custom-dark: #000000;

JSON

{
  "hex": "#51d655",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 85
  },
  "hsl": {
    "h": 121.805,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.77589,
    "c": 0.20613,
    "h": 143.7
  },
  "luminance": 0.50498
}

Semantic roles & 50–950 ramp

primary

#51D655

secondary

#923A8F

accent

#43E0E5

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51D655

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

Preview Lab → · Contrast checker → · Palette generator →