#51EE3F#51EE3F

#51EE3F is a very light, highly saturated green. Relative luminance 0.633; OKLCH L 83.5% C 0.248 H 141.7°. Best body text is #000000 at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#51EE3F
RGB	rgb(81, 238, 63)
HSL	hsl(114, 84%, 59%)
HSV	hsv(114, 74%, 93%)
CMYK	cmyk(66%, 0%, 73.5%, 6.7%)
CIE-LAB	lab(83.58, -71.29, 68.22)
CIE-LCH	lch(83.58, 98.67, 136.26°)
OKLab	oklab(83.49% -0.1945 0.1538)
OKLCH	oklch(83.49% 0.248 141.7)
XYZ	xyz(34.8632, 63.2537, 15.0735)
Luminance	0.6326 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EE3F #DC3FEE

analogous

#A8EE3F #51EE3F #3FEE85

triadic

#51EE3F #3F51EE #EE3F51

tetradic

#51EE3F #3FA8EE #DC3FEE #EE853F

square

#51EE3F #3FA8EE #DC3FEE #EE853F

split-complementary

#51EE3F #853FEE #EE3FA8

monochromatic

#1EA40F #28DC14 #51EE3F #84F377 #B7F8AF

Accessibility & contrast

On white

1.54

#51EE3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.65

#51EE3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EE3F

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EE3F	#FFFFFF	#000000	##000000
##51EE3F	1.00	1.54	13.65	13.65
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.65	21.00	1.00	1.00
##000000	13.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4D81B

Deuteranopia (green-blind)

#E1CB52

Tritanopia (blue-blind)

#2FE7CC

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51ee3f;
/* rgb */ color: rgb(81, 238, 63);
/* oklch */ color: oklch(83.5% 0.248 141.7);

Tailwind

colors: {
  custom: {
    50: '#95f57f',
    500: '#51ee3f',
    950: '#000000',
  },
}

SCSS

$custom: #51ee3f;
$custom-light: #95f57f;
$custom-dark: #000000;

JSON

{
  "hex": "#51ee3f",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 63
  },
  "hsl": {
    "h": 113.829,
    "s": 83.732,
    "l": 59.02
  },
  "oklch": {
    "l": 0.83495,
    "c": 0.24789,
    "h": 141.7
  },
  "luminance": 0.63257
}

Semantic roles & 50–950 ramp

primary

#51EE3F

secondary

#992BA6

accent

#2EFAE5

background

#FCFFFB

surface

#F5FFF2

border

#CFD7CC

text

#0F170B

muted

#80857E

Preview Lab

Preview with #51EE3F

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

Preview Lab → · Contrast checker → · Palette generator →