#51E550#51E550

#51E550 is a light, highly saturated green. Relative luminance 0.584; OKLCH L 81.4% C 0.228 H 143.0°. Best body text is #000000 at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#51E550
RGB	rgb(81, 229, 80)
HSL	hsl(120, 74%, 61%)
HSV	hsv(120, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 65.1%, 10.2%)
CIE-LAB	lab(80.94, -66.93, 59.19)
CIE-LCH	lch(80.94, 89.35, 138.51°)
OKLab	oklab(81.35% -0.1818 0.1368)
OKLCH	oklch(81.35% 0.228 143)
XYZ	xyz(32.8587, 58.3638, 17.1216)
Luminance	0.5837 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E550 #E450E5

analogous

#9CE550 #51E550 #50E599

triadic

#51E550 #5051E5 #E55051

tetradic

#51E550 #509CE5 #E450E5 #E59950

square

#51E550 #509CE5 #E450E5 #E59950

split-complementary

#51E550 #9950E5 #E5509C

monochromatic

#19A218 #21D820 #51E550 #86ED85 #BBF5BB

Accessibility & contrast

On white

1.66

#51E550 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.67

#51E550 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E550

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E550	#FFFFFF	#000000	##000000
##51E550	1.00	1.66	12.67	12.67
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.67	21.00	1.00	1.00
##000000	12.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD03D

Deuteranopia (green-blind)

#D8C45D

Tritanopia (blue-blind)

#2FDFC6

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e550;
/* rgb */ color: rgb(81, 229, 80);
/* oklch */ color: oklch(81.4% 0.228 143.0);

Tailwind

colors: {
  custom: {
    50: '#93ee87',
    500: '#51e550',
    950: '#000000',
  },
}

SCSS

$custom: #51e550;
$custom-light: #93ee87;
$custom-dark: #000000;

JSON

{
  "hex": "#51e550",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 80
  },
  "hsl": {
    "h": 119.597,
    "s": 74.129,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81351,
    "c": 0.22753,
    "h": 143
  },
  "luminance": 0.58367
}

Semantic roles & 50–950 ramp

primary

#51E550

secondary

#A434A5

accent

#0FD6D5

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0F170C

muted

#80857F

Preview Lab

Preview with #51E550

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

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