#51EF67#51EF67

#51EF67 is a very light, highly saturated green. Relative luminance 0.645; OKLCH L 84.1% C 0.222 H 145.5°. Best body text is #000000 at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#51EF67
RGB	rgb(81, 239, 103)
HSL	hsl(128, 83%, 63%)
HSV	hsv(128, 66%, 94%)
CMYK	cmyk(66.1%, 0%, 56.9%, 6.3%)
CIE-LAB	lab(84.20, -67.80, 53.08)
CIE-LCH	lch(84.20, 86.10, 141.95°)
OKLab	oklab(84.12% -0.1832 0.1258)
OKLCH	oklch(84.12% 0.222 145.5)
XYZ	xyz(36.7056, 64.4577, 23.3365)
Luminance	0.6446 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EF67 #EF51D9

analogous

#8AEF51 #51EF67 #51EFB6

triadic

#51EF67 #6751EF #EF6751

tetradic

#51EF67 #518AEF #EF51D9 #EFB651

square

#51EF67 #518AEF #EF51D9 #EFB651

split-complementary

#51EF67 #B651EF #EF518A

monochromatic

#11B528 #19EA36 #51EF67 #89F498 #C1F9C9

Accessibility & contrast

On white

1.51

#51EF67 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.89

#51EF67 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EF67

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EF67	#FFFFFF	#000000	##000000
##51EF67	1.00	1.51	13.89	13.89
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.89	21.00	1.00	1.00
##000000	13.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DA59

Deuteranopia (green-blind)

#E0CD72

Tritanopia (blue-blind)

#1EE9D1

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #51ef67;
/* rgb */ color: rgb(81, 239, 103);
/* oklch */ color: oklch(84.1% 0.222 145.5);

Tailwind

colors: {
  custom: {
    50: '#94f596',
    500: '#51ef67',
    950: '#000000',
  },
}

SCSS

$custom: #51ef67;
$custom-light: #94f596;
$custom-dark: #000000;

JSON

{
  "hex": "#51ef67",
  "rgb": {
    "r": 81,
    "g": 239,
    "b": 103
  },
  "hsl": {
    "h": 128.354,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.84119,
    "c": 0.22224,
    "h": 145.5
  },
  "luminance": 0.64462
}

Semantic roles & 50–950 ramp

primary

#51EF67

secondary

#B530A2

accent

#06C1E0

background

#FCFFFC

surface

#F5FFF5

border

#CFD7CF

text

#0F170E

muted

#80857F

Preview Lab

Preview with #51EF67

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

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