#55FF51#55FF51

#55FF51 is a very light, highly saturated green. Relative luminance 0.740; OKLCH L 88.0% C 0.255 H 142.7°. Best body text is #000000 at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#55FF51
RGB	rgb(85, 255, 81)
HSL	hsl(119, 100%, 66%)
HSV	hsv(119, 68%, 100%)
CMYK	cmyk(66.7%, 0%, 68.2%, 0%)
CIE-LAB	lab(88.94, -74.58, 67.41)
CIE-LCH	lch(88.94, 100.53, 137.89°)
OKLab	oklab(88.01% -0.2027 0.1542)
OKLCH	oklch(88.01% 0.255 142.7)
XYZ	xyz(40.9891, 74.0411, 19.9142)
Luminance	0.7405 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55FF51 #FB51FF

analogous

#ACFF51 #55FF51 #51FFA4

triadic

#55FF51 #5155FF #FF5155

tetradic

#55FF51 #51ACFF #FB51FF #FFA451

square

#55FF51 #51ACFF #FB51FF #FFA451

split-complementary

#55FF51 #A451FF #FF51AC

monochromatic

#05D600 #19FF14 #55FF51 #91FF8E #CDFFCB

Accessibility & contrast

On white

1.33

#55FF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.81

#55FF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55FF51

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55FF51	#FFFFFF	#000000	##000000
##55FF51	1.00	1.33	15.81	15.81
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.81	21.00	1.00	1.00
##000000	15.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE837

Deuteranopia (green-blind)

#F0DA62

Tritanopia (blue-blind)

#29F8DC

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #55ff51;
/* rgb */ color: rgb(85, 255, 81);
/* oklch */ color: oklch(88.0% 0.255 142.7);

Tailwind

colors: {
  custom: {
    50: '#99ff8a',
    500: '#55ff51',
    950: '#000000',
  },
}

SCSS

$custom: #55ff51;
$custom-light: #99ff8a;
$custom-dark: #000000;

JSON

{
  "hex": "#55ff51",
  "rgb": {
    "r": 85,
    "g": 255,
    "b": 81
  },
  "hsl": {
    "h": 118.621,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.88005,
    "c": 0.25468,
    "h": 142.7
  },
  "luminance": 0.74045
}

Semantic roles & 50–950 ramp

primary

#55FF51

secondary

#CC25D0

accent

#00E6E0

background

#FCFFFC

surface

#F6FFF4

border

#D0D7CE

text

#10180C

muted

#80867F

Preview Lab

Preview with #55FF51

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

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