#51E69B#51E69B

#51E69B is a very light, vivid green. Relative luminance 0.607; OKLCH L 82.7% C 0.166 H 157.4°. Best body text is #000000 at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#51E69B
RGB	rgb(81, 230, 155)
HSL	hsl(150, 75%, 61%)
HSV	hsv(150, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 32.6%, 9.8%)
CIE-LAB	lab(82.22, -56.31, 25.23)
CIE-LCH	lch(82.22, 61.70, 155.87°)
OKLab	oklab(82.72% -0.153 0.0637)
OKLCH	oklch(82.72% 0.166 157.4)
XYZ	xyz(37.6031, 60.7055, 40.7396)
Luminance	0.6071 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E69B #E6519C

analogous

#51E651 #51E69B #51E6E6

triadic

#51E69B #9B51E6 #E69B51

tetradic

#51E69B #5151E6 #E6519C #E6E651

square

#51E69B #5151E6 #E6519C #E6E651

split-complementary

#51E69B #E651E6 #E65151

monochromatic

#18A55E #1FDA7C #51E69B #87EEBA #BCF5D9

Accessibility & contrast

On white

1.60

#51E69B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.14

#51E69B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E69B

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E69B	#FFFFFF	#000000	##000000
##51E69B	1.00	1.60	13.14	13.14
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.14	21.00	1.00	1.00
##000000	13.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4D596

Deuteranopia (green-blind)

#D1C7A0

Tritanopia (blue-blind)

#00E4D2

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e69b;
/* rgb */ color: rgb(81, 230, 155);
/* oklch */ color: oklch(82.7% 0.166 157.4);

Tailwind

colors: {
  custom: {
    50: '#91efb9',
    500: '#51e69b',
    950: '#000000',
  },
}

SCSS

$custom: #51e69b;
$custom-light: #91efb9;
$custom-dark: #000000;

JSON

{
  "hex": "#51e69b",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 155
  },
  "hsl": {
    "h": 149.799,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.82724,
    "c": 0.16573,
    "h": 157.4
  },
  "luminance": 0.6071
}

Semantic roles & 50–950 ramp

primary

#51E69B

secondary

#A7346E

accent

#0E73D7

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0E1611

muted

#7F8581

Preview Lab

Preview with #51E69B

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

Preview Lab → · Contrast checker → · Palette generator →