#51DF8B#51DF8B

#51DF8B is a light, vivid green. Relative luminance 0.564; OKLCH L 80.7% C 0.171 H 153.8°. Best body text is #000000 at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#51DF8B
RGB	rgb(81, 223, 139)
HSL	hsl(145, 69%, 60%)
HSV	hsv(145, 64%, 87%)
CMYK	cmyk(63.7%, 0%, 37.7%, 12.5%)
CIE-LAB	lab(79.83, -56.62, 30.22)
CIE-LCH	lch(79.83, 64.18, 151.90°)
OKLab	oklab(80.67% -0.1532 0.0755)
OKLCH	oklch(80.67% 0.171 153.8)
XYZ	xyz(34.4383, 56.3852, 33.4896)
Luminance	0.5639 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DF8B #DF51A5

analogous

#5EDF51 #51DF8B #51DFD2

triadic

#51DF8B #8B51DF #DF8B51

tetradic

#51DF8B #515EDF #DF51A5 #DFD251

square

#51DF8B #515EDF #DF51A5 #DFD251

split-complementary

#51DF8B #D251DF #DF515E

monochromatic

#1C994F #26CD6A #51DF8B #85E9AD #B8F2D0

Accessibility & contrast

On white

1.71

#51DF8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.28

#51DF8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DF8B

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DF8B	#FFFFFF	#000000	##000000
##51DF8B	1.00	1.71	12.28	12.28
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.28	21.00	1.00	1.00
##000000	12.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFCE85

Deuteranopia (green-blind)

#CCC190

Tritanopia (blue-blind)

#02DCCA

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51df8b;
/* rgb */ color: rgb(81, 223, 139);
/* oklch */ color: oklch(80.7% 0.171 153.8);

Tailwind

colors: {
  custom: {
    50: '#90eaad',
    500: '#51df8b',
    950: '#000000',
  },
}

SCSS

$custom: #51df8b;
$custom-light: #90eaad;
$custom-dark: #000000;

JSON

{
  "hex": "#51df8b",
  "rgb": {
    "r": 81,
    "g": 223,
    "b": 139
  },
  "hsl": {
    "h": 144.507,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.80671,
    "c": 0.17077,
    "h": 153.8
  },
  "luminance": 0.56389
}

Semantic roles & 50–950 ramp

primary

#51DF8B

secondary

#9D3773

accent

#3CA4EC

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51DF8B

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

Preview Lab → · Contrast checker → · Palette generator →