#51DA7F#51DA7F

#51DA7F is a light, vivid green. Relative luminance 0.534; OKLCH L 79.2% C 0.175 H 151.2°. Best body text is #000000 at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#51DA7F
RGB	rgb(81, 218, 127)
HSL	hsl(140, 65%, 59%)
HSV	hsv(140, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 41.7%, 14.5%)
CIE-LAB	lab(78.12, -56.81, 34.07)
CIE-LCH	lch(78.12, 66.24, 149.05°)
OKLab	oklab(79.2% -0.1534 0.0843)
OKLCH	oklch(79.2% 0.175 151.2)
XYZ	xyz(32.2930, 53.4212, 28.6840)
Luminance	0.5342 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA7F #DA51AC

analogous

#67DA51 #51DA7F #51DAC3

triadic

#51DA7F #7F51DA #DA7F51

tetradic

#51DA7F #5167DA #DA51AC #DAC351

square

#51DA7F #5167DA #DA51AC #DAC351

split-complementary

#51DA7F #C351DA #DA5167

monochromatic

#1F9245 #2AC45E #51DA7F #83E5A4 #B6EFC9

Accessibility & contrast

On white

1.80

#51DA7F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.68

#51DA7F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA7F

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA7F	#FFFFFF	#000000	##000000
##51DA7F	1.00	1.80	11.68	11.68
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.68	21.00	1.00	1.00
##000000	11.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC978

Deuteranopia (green-blind)

#C9BC85

Tritanopia (blue-blind)

#1CD7C4

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51da7f;
/* rgb */ color: rgb(81, 218, 127);
/* oklch */ color: oklch(79.2% 0.175 151.2);

Tailwind

colors: {
  custom: {
    50: '#8fe6a5',
    500: '#51da7f',
    950: '#000000',
  },
}

SCSS

$custom: #51da7f;
$custom-light: #8fe6a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51da7f",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 127
  },
  "hsl": {
    "h": 140.146,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79202,
    "c": 0.17505,
    "h": 151.2
  },
  "luminance": 0.53424
}

Semantic roles & 50–950 ramp

primary

#51DA7F

secondary

#973977

accent

#40AFE8

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DA7F

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

Preview Lab → · Contrast checker → · Palette generator →