#51E599#51E599

#51E599 is a very light, vivid green. Relative luminance 0.601; OKLCH L 82.4% C 0.166 H 157.0°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#51E599
RGB	rgb(81, 229, 153)
HSL	hsl(149, 74%, 61%)
HSV	hsv(149, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 33.2%, 10.2%)
CIE-LAB	lab(81.88, -56.31, 25.80)
CIE-LCH	lch(81.88, 61.94, 155.38°)
OKLab	oklab(82.44% -0.1529 0.0651)
OKLCH	oklch(82.44% 0.166 157)
XYZ	xyz(37.1590, 60.0839, 39.7699)
Luminance	0.6009 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E599 #E5519D

analogous

#53E551 #51E599 #51E5E3

triadic

#51E599 #9951E5 #E59951

tetradic

#51E599 #5153E5 #E5519D #E5E351

square

#51E599 #5153E5 #E5519D #E5E351

split-complementary

#51E599 #E351E5 #E55153

monochromatic

#18A35C #20D87A #51E599 #86EDB8 #BBF5D7

Accessibility & contrast

On white

1.61

#51E599 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#51E599 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E599

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E599	#FFFFFF	#000000	##000000
##51E599	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)

#E4D494

Deuteranopia (green-blind)

#D0C69E

Tritanopia (blue-blind)

#00E3D1

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e599;
/* rgb */ color: rgb(81, 229, 153);
/* oklch */ color: oklch(82.4% 0.166 157.0);

Tailwind

colors: {
  custom: {
    50: '#91eeb7',
    500: '#51e599',
    950: '#000000',
  },
}

SCSS

$custom: #51e599;
$custom-light: #91eeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#51e599",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 153
  },
  "hsl": {
    "h": 149.189,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.82436,
    "c": 0.16618,
    "h": 157
  },
  "luminance": 0.60088
}

Semantic roles & 50–950 ramp

primary

#51E599

secondary

#A6356F

accent

#0F75D6

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0E1611

muted

#7F8581

Preview Lab

Preview with #51E599

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

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