#51E495#51E495

#51E495 is a very light, vivid green. Relative luminance 0.594; OKLCH L 82.1% C 0.168 H 155.9°. Best body text is #000000 at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#51E495
RGB	rgb(81, 228, 149)
HSL	hsl(148, 73%, 61%)
HSV	hsv(148, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 34.6%, 10.6%)
CIE-LAB	lab(81.51, -56.69, 27.35)
CIE-LCH	lch(81.51, 62.94, 154.24°)
OKLab	oklab(82.11% -0.1537 0.0688)
OKLCH	oklch(82.11% 0.168 155.9)
XYZ	xyz(36.5583, 59.4022, 37.9671)
Luminance	0.5941 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E495 #E451A0

analogous

#56E451 #51E495 #51E4DE

triadic

#51E495 #9551E4 #E49551

tetradic

#51E495 #5156E4 #E451A0 #E4DE51

square

#51E495 #5156E4 #E451A0 #E4DE51

split-complementary

#51E495 #DE51E4 #E45156

monochromatic

#19A258 #21D775 #51E495 #86ECB5 #BBF4D6

Accessibility & contrast

On white

1.63

#51E495 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.88

#51E495 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E495

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E495	#FFFFFF	#000000	##000000
##51E495	1.00	1.63	12.88	12.88
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.88	21.00	1.00	1.00
##000000	12.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3D390

Deuteranopia (green-blind)

#D0C59A

Tritanopia (blue-blind)

#00E2D0

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e495;
/* rgb */ color: rgb(81, 228, 149);
/* oklch */ color: oklch(82.1% 0.168 155.9);

Tailwind

colors: {
  custom: {
    50: '#91edb4',
    500: '#51e495',
    950: '#000000',
  },
}

SCSS

$custom: #51e495;
$custom-light: #91edb4;
$custom-dark: #000000;

JSON

{
  "hex": "#51e495",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 149
  },
  "hsl": {
    "h": 147.755,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.82107,
    "c": 0.16839,
    "h": 155.9
  },
  "luminance": 0.59406
}

Semantic roles & 50–950 ramp

primary

#51E495

secondary

#A43571

accent

#107AD5

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0E1611

muted

#7F8581

Preview Lab

Preview with #51E495

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

Preview Lab → · Contrast checker → · Palette generator →