#51D68B#51D68B

#51D68B is a light, vivid green. Relative luminance 0.517; OKLCH L 78.4% C 0.159 H 155.1°. Best body text is #000000 at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#51D68B
RGB	rgb(81, 214, 139)
HSL	hsl(146, 62%, 58%)
HSV	hsv(146, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 35%, 16.1%)
CIE-LAB	lab(77.10, -53.12, 26.58)
CIE-LCH	lch(77.10, 59.40, 153.42°)
OKLab	oklab(78.43% -0.1441 0.0668)
OKLCH	oklch(78.43% 0.159 155.1)
XYZ	xyz(32.0973, 51.7033, 32.7093)
Luminance	0.5171 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D68B #D6519C

analogous

#5AD651 #51D68B #51D6CD

triadic

#51D68B #8B51D6 #D68B51

tetradic

#51D68B #515AD6 #D6519C #D6CD51

square

#51D68B #515AD6 #D6519C #D6CD51

split-complementary

#51D68B #CD51D6 #D6515A

monochromatic

#218C4F #2DBD6C #51D68B #83E2AC #B4EDCD

Accessibility & contrast

On white

1.85

#51D68B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.34

#51D68B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D68B

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D68B	#FFFFFF	#000000	##000000
##51D68B	1.00	1.85	11.34	11.34
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.34	21.00	1.00	1.00
##000000	11.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C686

Deuteranopia (green-blind)

#C4B990

Tritanopia (blue-blind)

#11D4C3

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d68b;
/* rgb */ color: rgb(81, 214, 139);
/* oklch */ color: oklch(78.4% 0.159 155.1);

Tailwind

colors: {
  custom: {
    50: '#8fe3ad',
    500: '#51d68b',
    950: '#000000',
  },
}

SCSS

$custom: #51d68b;
$custom-light: #8fe3ad;
$custom-dark: #000000;

JSON

{
  "hex": "#51d68b",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 139
  },
  "hsl": {
    "h": 146.165,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.78429,
    "c": 0.15878,
    "h": 155.1
  },
  "luminance": 0.51707
}

Semantic roles & 50–950 ramp

primary

#51D68B

secondary

#923A6B

accent

#439EE5

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51D68B

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

Preview Lab → · Contrast checker → · Palette generator →