#51E577#51E577

#51E577 is a light, vivid green. Relative luminance 0.591; OKLCH L 81.8% C 0.197 H 148.5°. Best body text is #000000 at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#51E577
RGB	rgb(81, 229, 119)
HSL	hsl(135, 74%, 61%)
HSV	hsv(135, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 48%, 10.2%)
CIE-LAB	lab(81.36, -62.14, 42.16)
CIE-LCH	lch(81.36, 75.09, 145.85°)
OKLab	oklab(81.83% -0.1676 0.1026)
OKLCH	oklch(81.83% 0.197 148.5)
XYZ	xyz(34.7399, 59.1163, 27.0290)
Luminance	0.5912 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E577 #E551BF

analogous

#75E551 #51E577 #51E5C1

triadic

#51E577 #7751E5 #E57751

tetradic

#51E577 #5175E5 #E551BF #E5C151

square

#51E577 #5175E5 #E551BF #E5C151

split-complementary

#51E577 #C151E5 #E55175

monochromatic

#18A33C #20D850 #51E577 #86EDA1 #BBF5CA

Accessibility & contrast

On white

1.64

#51E577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.82

#51E577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E577

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E577	#FFFFFF	#000000	##000000
##51E577	1.00	1.64	12.82	12.82
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.82	21.00	1.00	1.00
##000000	12.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7D26E

Deuteranopia (green-blind)

#D5C57F

Tritanopia (blue-blind)

#1AE1CB

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e577;
/* rgb */ color: rgb(81, 229, 119);
/* oklch */ color: oklch(81.8% 0.197 148.5);

Tailwind

colors: {
  custom: {
    50: '#92eea0',
    500: '#51e577',
    950: '#000000',
  },
}

SCSS

$custom: #51e577;
$custom-light: #92eea0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e577",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 119
  },
  "hsl": {
    "h": 135.405,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.81828,
    "c": 0.19651,
    "h": 148.5
  },
  "luminance": 0.5912
}

Semantic roles & 50–950 ramp

primary

#51E577

secondary

#A63589

accent

#0FA3D6

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E577

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

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