#51E59A#51E59A

#51E59A is a very light, vivid green. Relative luminance 0.601; OKLCH L 82.5% C 0.165 H 157.3°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#51E59A
RGB	rgb(81, 229, 154)
HSL	hsl(150, 74%, 61%)
HSV	hsv(150, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 32.8%, 10.2%)
CIE-LAB	lab(81.90, -56.11, 25.31)
CIE-LCH	lch(81.90, 61.56, 155.72°)
OKLab	oklab(82.46% -0.1525 0.0639)
OKLCH	oklch(82.46% 0.165 157.3)
XYZ	xyz(37.2420, 60.1171, 40.2067)
Luminance	0.6012 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E59A #E5519C

analogous

#52E551 #51E59A #51E5E4

triadic

#51E59A #9A51E5 #E59A51

tetradic

#51E59A #5152E5 #E5519C #E5E451

square

#51E59A #5152E5 #E5519C #E5E451

split-complementary

#51E59A #E451E5 #E55152

monochromatic

#18A35D #20D87B #51E59A #86EDB9 #BBF5D8

Accessibility & contrast

On white

1.61

#51E59A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#51E59A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E59A

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E59A	#FFFFFF	#000000	##000000
##51E59A	1.00	1.61	13.02	13.02
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.02	21.00	1.00	1.00
##000000	13.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3D495

Deuteranopia (green-blind)

#D0C69F

Tritanopia (blue-blind)

#00E3D1

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e59a;
/* rgb */ color: rgb(81, 229, 154);
/* oklch */ color: oklch(82.5% 0.165 157.3);

Tailwind

colors: {
  custom: {
    50: '#91eeb8',
    500: '#51e59a',
    950: '#000000',
  },
}

SCSS

$custom: #51e59a;
$custom-light: #91eeb8;
$custom-dark: #000000;

JSON

{
  "hex": "#51e59a",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 154
  },
  "hsl": {
    "h": 149.595,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.82457,
    "c": 0.1653,
    "h": 157.3
  },
  "luminance": 0.60121
}

Semantic roles & 50–950 ramp

primary

#51E59A

secondary

#A6356E

accent

#0F74D6

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0E1611

muted

#7F8581

Preview Lab

Preview with #51E59A

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

Preview Lab → · Contrast checker → · Palette generator →