#51FF5E#51FF5E

#51FF5E is a very light, highly saturated green. Relative luminance 0.741; OKLCH L 88.0% C 0.247 H 144.2°. Best body text is #000000 at 15.82:1 contrast (WCAG AA passes).

Color values

HEX	#51FF5E
RGB	rgb(81, 255, 94)
HSL	hsl(124, 100%, 66%)
HSV	hsv(124, 68%, 100%)
CMYK	cmyk(68.2%, 0%, 63.1%, 0%)
CIE-LAB	lab(88.96, -74.08, 62.34)
CIE-LCH	lch(88.96, 96.83, 139.92°)
OKLab	oklab(88.03% -0.2006 0.1449)
OKLCH	oklch(88.03% 0.247 144.2)
XYZ	xyz(41.1711, 74.0730, 22.7153)
Luminance	0.7408 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51FF5E #FF51F2

analogous

#9BFF51 #51FF5E #51FFB5

triadic

#51FF5E #5E51FF #FF5E51

tetradic

#51FF5E #519BFF #FF51F2 #FFB551

square

#51FF5E #519BFF #FF51F2 #FFB551

split-complementary

#51FF5E #B551FF #FF519B

monochromatic

#00D610 #14FF25 #51FF5E #8EFF97 #CBFFCF

Accessibility & contrast

On white

1.33

#51FF5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.82

#51FF5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51FF5E

15.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51FF5E	#FFFFFF	#000000	##000000
##51FF5E	1.00	1.33	15.82	15.82
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.82	21.00	1.00	1.00
##000000	15.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE84A

Deuteranopia (green-blind)

#EFDA6C

Tritanopia (blue-blind)

#13F8DD

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #51ff5e;
/* rgb */ color: rgb(81, 255, 94);
/* oklch */ color: oklch(88.0% 0.247 144.2);

Tailwind

colors: {
  custom: {
    50: '#97ff92',
    500: '#51ff5e',
    950: '#000000',
  },
}

SCSS

$custom: #51ff5e;
$custom-light: #97ff92;
$custom-dark: #000000;

JSON

{
  "hex": "#51ff5e",
  "rgb": {
    "r": 81,
    "g": 255,
    "b": 94
  },
  "hsl": {
    "h": 124.483,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.88026,
    "c": 0.24745,
    "h": 144.2
  },
  "luminance": 0.74077
}

Semantic roles & 50–950 ramp

primary

#51FF5E

secondary

#D025C3

accent

#00D4E6

background

#FCFFFC

surface

#F6FFF4

border

#D0D7CE

text

#0F180D

muted

#80867F

Preview Lab

Preview with #51FF5E

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

Preview Lab → · Contrast checker → · Palette generator →