#51EC5E#51EC5E

#51EC5E is a very light, highly saturated green. Relative luminance 0.625; OKLCH L 83.3% C 0.226 H 144.5°. Best body text is #000000 at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#51EC5E
RGB	rgb(81, 236, 94)
HSL	hsl(125, 80%, 62%)
HSV	hsv(125, 66%, 93%)
CMYK	cmyk(65.7%, 0%, 60.2%, 7.5%)
CIE-LAB	lab(83.20, -67.83, 55.86)
CIE-LCH	lch(83.20, 87.87, 140.53°)
OKLab	oklab(83.26% -0.1836 0.1311)
OKLCH	oklch(83.26% 0.226 144.5)
XYZ	xyz(35.4069, 62.5447, 20.7939)
Luminance	0.6255 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EC5E #EC51DF

analogous

#92EC51 #51EC5E #51ECAB

triadic

#51EC5E #5E51EC #EC5E51

tetradic

#51EC5E #5192EC #EC51DF #ECAB51

square

#51EC5E #5192EC #EC51DF #ECAB51

split-complementary

#51EC5E #AB51EC #EC5192

monochromatic

#13AF20 #1AE62B #51EC5E #88F291 #BFF8C4

Accessibility & contrast

On white

1.55

#51EC5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.51

#51EC5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EC5E

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EC5E	#FFFFFF	#000000	##000000
##51EC5E	1.00	1.55	13.51	13.51
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.51	21.00	1.00	1.00
##000000	13.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D74E

Deuteranopia (green-blind)

#DDCA6A

Tritanopia (blue-blind)

#25E6CE

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #51ec5e;
/* rgb */ color: rgb(81, 236, 94);
/* oklch */ color: oklch(83.3% 0.226 144.5);

Tailwind

colors: {
  custom: {
    50: '#94f390',
    500: '#51ec5e',
    950: '#000000',
  },
}

SCSS

$custom: #51ec5e;
$custom-light: #94f390;
$custom-dark: #000000;

JSON

{
  "hex": "#51ec5e",
  "rgb": {
    "r": 81,
    "g": 236,
    "b": 94
  },
  "hsl": {
    "h": 125.032,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.83262,
    "c": 0.22561,
    "h": 144.5
  },
  "luminance": 0.62548
}

Semantic roles & 50–950 ramp

primary

#51EC5E

secondary

#B031A5

accent

#09CBDD

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0F170D

muted

#80857F

Preview Lab

Preview with #51EC5E

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

Preview Lab → · Contrast checker → · Palette generator →