#51F658#51F658

#51F658 is a very light, highly saturated green. Relative luminance 0.684; OKLCH L 85.7% C 0.241 H 143.7°. Best body text is #000000 at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#51F658
RGB	rgb(81, 246, 88)
HSL	hsl(123, 90%, 64%)
HSV	hsv(123, 67%, 96%)
CMYK	cmyk(67.1%, 0%, 64.2%, 3.5%)
CIE-LAB	lab(86.19, -71.77, 61.71)
CIE-LCH	lch(86.19, 94.65, 139.31°)
OKLab	oklab(85.72% -0.1945 0.143)
OKLCH	oklch(85.72% 0.241 143.7)
XYZ	xyz(38.1082, 68.3614, 20.4174)
Luminance	0.6836 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F658 #F651EF

analogous

#9DF651 #51F658 #51F6AA

triadic

#51F658 #5851F6 #F65851

tetradic

#51F658 #519DF6 #F651EF #F6AA51

square

#51F658 #519DF6 #F651EF #F6AA51

split-complementary

#51F658 #AA51F6 #F6519D

monochromatic

#0AC312 #17F320 #51F658 #8BF990 #C5FCC8

Accessibility & contrast

On white

1.43

#51F658 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.67

#51F658 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F658

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F658	#FFFFFF	#000000	##000000
##51F658	1.00	1.43	14.67	14.67
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.67	21.00	1.00	1.00
##000000	14.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE044

Deuteranopia (green-blind)

#E7D266

Tritanopia (blue-blind)

#21EFD5

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #51f658;
/* rgb */ color: rgb(81, 246, 88);
/* oklch */ color: oklch(85.7% 0.241 143.7);

Tailwind

colors: {
  custom: {
    50: '#96fa8d',
    500: '#51f658',
    950: '#000000',
  },
}

SCSS

$custom: #51f658;
$custom-light: #96fa8d;
$custom-dark: #000000;

JSON

{
  "hex": "#51f658",
  "rgb": {
    "r": 81,
    "g": 246,
    "b": 88
  },
  "hsl": {
    "h": 122.545,
    "s": 90.164,
    "l": 64.118
  },
  "oklch": {
    "l": 0.85715,
    "c": 0.24144,
    "h": 143.7
  },
  "luminance": 0.68365
}

Semantic roles & 50–950 ramp

primary

#51F658

secondary

#C02BBA

accent

#00DCE6

background

#FCFFFC

surface

#F5FFF4

border

#CFD7CE

text

#0F170D

muted

#80857F

Preview Lab

Preview with #51F658

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

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