#51DA7B#51DA7B

#51DA7B is a light, vivid green. Relative luminance 0.533; OKLCH L 79.1% C 0.179 H 150.3°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#51DA7B
RGB	rgb(81, 218, 123)
HSL	hsl(138, 65%, 59%)
HSV	hsv(138, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 43.6%, 14.5%)
CIE-LAB	lab(78.06, -57.47, 36.00)
CIE-LCH	lch(78.06, 67.82, 147.93°)
OKLab	oklab(79.13% -0.1552 0.0886)
OKLCH	oklch(79.13% 0.179 150.3)
XYZ	xyz(32.0374, 53.3190, 27.3383)
Luminance	0.5332 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA7B #DA51B0

analogous

#6BDA51 #51DA7B #51DABF

triadic

#51DA7B #7B51DA #DA7B51

tetradic

#51DA7B #516BDA #DA51B0 #DABF51

square

#51DA7B #516BDA #DA51B0 #DABF51

split-complementary

#51DA7B #BF51DA #DA516B

monochromatic

#1F9242 #2AC459 #51DA7B #83E5A1 #B6EFC8

Accessibility & contrast

On white

1.80

#51DA7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.66

#51DA7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA7B

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA7B	#FFFFFF	#000000	##000000
##51DA7B	1.00	1.80	11.66	11.66
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.66	21.00	1.00	1.00
##000000	11.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC874

Deuteranopia (green-blind)

#CABC81

Tritanopia (blue-blind)

#20D6C3

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51da7b;
/* rgb */ color: rgb(81, 218, 123);
/* oklch */ color: oklch(79.1% 0.179 150.3);

Tailwind

colors: {
  custom: {
    50: '#90e6a2',
    500: '#51da7b',
    950: '#000000',
  },
}

SCSS

$custom: #51da7b;
$custom-light: #90e6a2;
$custom-dark: #000000;

JSON

{
  "hex": "#51da7b",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 123
  },
  "hsl": {
    "h": 138.394,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79133,
    "c": 0.17869,
    "h": 150.3
  },
  "luminance": 0.53322
}

Semantic roles & 50–950 ramp

primary

#51DA7B

secondary

#97397A

accent

#40B4E8

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DA7B

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

Preview Lab → · Contrast checker → · Palette generator →