#51DF59#51DF59

#51DF59 is a light, highly saturated green. Relative luminance 0.552; OKLCH L 79.9% C 0.214 H 144.1°. Best body text is #000000 at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#51DF59
RGB	rgb(81, 223, 89)
HSL	hsl(123, 69%, 60%)
HSV	hsv(123, 64%, 87%)
CMYK	cmyk(63.7%, 0%, 60.1%, 12.5%)
CIE-LAB	lab(79.18, -63.95, 53.44)
CIE-LCH	lch(79.18, 83.33, 140.12°)
OKLab	oklab(79.92% -0.1733 0.1254)
OKLCH	oklch(79.92% 0.214 144.1)
XYZ	xyz(31.5823, 55.2428, 18.4478)
Luminance	0.5525 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DF59 #DF51D7

analogous

#90DF51 #51DF59 #51DFA0

triadic

#51DF59 #5951DF #DF5951

tetradic

#51DF59 #5190DF #DF51D7 #DFA051

square

#51DF59 #5190DF #DF51D7 #DFA051

split-complementary

#51DF59 #A051DF #DF5190

monochromatic

#1C9923 #26CD2F #51DF59 #85E98A #B8F2BC

Accessibility & contrast

On white

1.74

#51DF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.05

#51DF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DF59

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DF59	#FFFFFF	#000000	##000000
##51DF59	1.00	1.74	12.05	12.05
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.05	21.00	1.00	1.00
##000000	12.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CB4A

Deuteranopia (green-blind)

#D2BF64

Tritanopia (blue-blind)

#2FD9C2

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51df59;
/* rgb */ color: rgb(81, 223, 89);
/* oklch */ color: oklch(79.9% 0.214 144.1);

Tailwind

colors: {
  custom: {
    50: '#91ea8c',
    500: '#51df59',
    950: '#000000',
  },
}

SCSS

$custom: #51df59;
$custom-light: #91ea8c;
$custom-dark: #000000;

JSON

{
  "hex": "#51df59",
  "rgb": {
    "r": 81,
    "g": 223,
    "b": 89
  },
  "hsl": {
    "h": 123.38,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.79922,
    "c": 0.21394,
    "h": 144.1
  },
  "luminance": 0.55246
}

Semantic roles & 50–950 ramp

primary

#51DF59

secondary

#9D3798

accent

#3CE2EC

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #51DF59

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

Preview Lab → · Contrast checker → · Palette generator →